diff --git a/.gitignore b/.gitignore
index 6ff1684..8951cc8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,4 +8,5 @@
 .externalNativeBuild
 .cxx
 local.properties
-/app/libs/
\ No newline at end of file
+/app/libs/
+/service-account-credentials.json
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
index ee79e2c..3e1061d 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -5,6 +5,9 @@ plugins {
     id 'kotlin-android'
     id 'kotlin-parcelize'
     id 'com.google.devtools.ksp'
+    id 'com.google.gms.google-services'
+    id 'com.google.firebase.crashlytics'
+    id 'com.github.triplet.play'
 }
 
 android {
@@ -39,13 +42,15 @@ android {
             if (getProps("KEYSTORE_PASS") != "") {
                 signingConfig signingConfigs.release
             }
-            buildConfigField("String", "APPCENTER_SECRET", "\"" + getProps("APPCENTER_SECRET") + "\"")
         }
         release {
             minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
             signingConfig signingConfigs.release
-            buildConfigField("String", "APPCENTER_SECRET", "\"" + getProps("APPCENTER_SECRET") + "\"")
+            firebaseCrashlytics {
+                nativeSymbolUploadEnabled true
+                unstrippedNativeLibsDir true
+            }
         }
     }
 
@@ -96,14 +101,14 @@ dependencies {
     implementation 'com.blacksquircle.ui:editorkit:2.2.0'
     implementation 'com.blacksquircle.ui:language-json:2.2.0'
 
-    implementation 'com.microsoft.appcenter:appcenter-analytics:5.0.2'
-    implementation 'com.microsoft.appcenter:appcenter-crashes:5.0.2'
-    implementation 'com.microsoft.appcenter:appcenter-distribute:5.0.2'
-
     implementation('org.smali:dexlib2:2.5.2') {
         exclude group: 'com.google.guava', module: 'guava'
     }
     implementation('com.google.guava:guava:32.1.2-android')
+
+    implementation platform('com.google.firebase:firebase-bom:32.4.0')
+    implementation 'com.google.firebase:firebase-crashlytics-ktx'
+    implementation 'com.google.android.play:app-update-ktx:2.1.0'
 }
 
 if (getProps("APPCENTER_TOKEN") != "") {
@@ -122,6 +127,15 @@ if (getProps("APPCENTER_TOKEN") != "") {
     }
 }
 
+def playCredentialsJSON = rootProject.file("service-account-credentials.json")
+if (playCredentialsJSON.exists()) {
+    play {
+        serviceAccountCredentials = playCredentialsJSON
+        defaultToAppBundles = true
+        track = 'beta'
+    }
+}
+
 tasks.withType(KotlinCompile.class).configureEach {
     kotlinOptions {
         jvmTarget = "1.8"
diff --git a/app/google-services.json b/app/google-services.json
new file mode 100644
index 0000000..474a84b
--- /dev/null
+++ b/app/google-services.json
@@ -0,0 +1,29 @@
+{
+  "project_info": {
+    "project_number": "548801210715",
+    "project_id": "sing-b0x",
+    "storage_bucket": "sing-b0x.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:548801210715:android:2c3bce07700eecb54d527e",
+        "android_client_info": {
+          "package_name": "io.nekohasekai.sfa"
+        }
+      },
+      "oauth_client": [],
+      "api_key": [
+        {
+          "current_key": "AIzaSyDzb5nuF2qyw-AW0opn4Ymi2QGuJ6dZyYo"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": []
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 14ca0b9..91b99a7 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -39,6 +39,10 @@
                 android:name="android.app.shortcuts"
                 android:resource="@xml/shortcuts" />
 
+            <meta-data
+                android:name="firebase_crashlytics_collection_enabled"
+                android:value="false" />
+
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
@@ -173,11 +177,6 @@
                 android:resource="@xml/cache_paths" />
         </provider>
 
-
-        <receiver
-            android:name="com.microsoft.appcenter.distribute.UpdateReceiver"
-            tools:node="remove" />
-
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/io/nekohasekai/sfa/constant/SettingsKey.kt b/app/src/main/java/io/nekohasekai/sfa/constant/SettingsKey.kt
index 40e32d9..7d21044 100644
--- a/app/src/main/java/io/nekohasekai/sfa/constant/SettingsKey.kt
+++ b/app/src/main/java/io/nekohasekai/sfa/constant/SettingsKey.kt
@@ -4,7 +4,7 @@ object SettingsKey {
 
     const val SELECTED_PROFILE = "selected_profile"
     const val SERVICE_MODE = "service_mode"
-    const val ANALYTICS_ALLOWED = "analytics_allowed"
+    const val ERROR_REPORTING_ENABLED = "error_reporting_enabled"
     const val CHECK_UPDATE_ENABLED = "check_update_enabled"
     const val DISABLE_MEMORY_LIMIT = "disable_memory_limit"
 
diff --git a/app/src/main/java/io/nekohasekai/sfa/database/Settings.kt b/app/src/main/java/io/nekohasekai/sfa/database/Settings.kt
index 2f7b1a0..fbd9f03 100644
--- a/app/src/main/java/io/nekohasekai/sfa/database/Settings.kt
+++ b/app/src/main/java/io/nekohasekai/sfa/database/Settings.kt
@@ -38,11 +38,11 @@ object Settings {
     var serviceMode by dataStore.string(SettingsKey.SERVICE_MODE) { ServiceMode.NORMAL }
     var startedByUser by dataStore.boolean(SettingsKey.STARTED_BY_USER)
 
-    const val ANALYSIS_UNKNOWN = -1
-    const val ANALYSIS_ALLOWED = 0
-    const val ANALYSIS_DISALLOWED = 1
+    const val ERROR_REPORTING_UNKNOWN = -1
+    const val ERROR_REPORTING_ALLOWED = 0
+    const val ERROR_REPORTING_DISALLOWED = 1
 
-    var analyticsAllowed by dataStore.int(SettingsKey.ANALYTICS_ALLOWED) { ANALYSIS_UNKNOWN }
+    var errorReportingEnabled by dataStore.int(SettingsKey.ERROR_REPORTING_ENABLED) { ERROR_REPORTING_UNKNOWN }
     var checkUpdateEnabled by dataStore.boolean(SettingsKey.CHECK_UPDATE_ENABLED) { true }
     var disableMemoryLimit by dataStore.boolean(SettingsKey.DISABLE_MEMORY_LIMIT)
 
diff --git a/app/src/main/java/io/nekohasekai/sfa/ui/MainActivity.kt b/app/src/main/java/io/nekohasekai/sfa/ui/MainActivity.kt
index 3b01c50..2d6e87d 100644
--- a/app/src/main/java/io/nekohasekai/sfa/ui/MainActivity.kt
+++ b/app/src/main/java/io/nekohasekai/sfa/ui/MainActivity.kt
@@ -2,12 +2,11 @@ package io.nekohasekai.sfa.ui
 
 import android.Manifest
 import android.annotation.SuppressLint
-import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.net.VpnService
 import android.os.Bundle
-import android.text.TextUtils
+import android.util.Log
 import androidx.activity.result.contract.ActivityResultContract
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.core.content.ContextCompat
@@ -18,18 +17,16 @@ import androidx.navigation.ui.AppBarConfiguration
 import androidx.navigation.ui.setupActionBarWithNavController
 import androidx.navigation.ui.setupWithNavController
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
-import com.microsoft.appcenter.AppCenter
-import com.microsoft.appcenter.analytics.Analytics
-import com.microsoft.appcenter.crashes.Crashes
-import com.microsoft.appcenter.distribute.Distribute
-import com.microsoft.appcenter.distribute.DistributeListener
-import com.microsoft.appcenter.distribute.ReleaseDetails
-import com.microsoft.appcenter.distribute.UpdateAction
-import com.microsoft.appcenter.utils.AppNameHelper
+import com.google.android.play.core.appupdate.AppUpdateManagerFactory
+import com.google.android.play.core.appupdate.AppUpdateOptions
+import com.google.android.play.core.install.model.AppUpdateType
+import com.google.android.play.core.install.model.InstallStatus
+import com.google.android.play.core.install.model.UpdateAvailability
+import com.google.firebase.crashlytics.ktx.crashlytics
+import com.google.firebase.ktx.Firebase
 import io.nekohasekai.libbox.Libbox
 import io.nekohasekai.libbox.ProfileContent
 import io.nekohasekai.sfa.Application
-import io.nekohasekai.sfa.BuildConfig
 import io.nekohasekai.sfa.R
 import io.nekohasekai.sfa.bg.ServiceConnection
 import io.nekohasekai.sfa.bg.ServiceNotification
@@ -45,17 +42,16 @@ import io.nekohasekai.sfa.ktx.errorDialogBuilder
 import io.nekohasekai.sfa.ui.profile.NewProfileActivity
 import io.nekohasekai.sfa.ui.shared.AbstractActivity
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import java.io.File
 import java.util.Date
 import java.util.LinkedList
 
-class MainActivity : AbstractActivity(), ServiceConnection.Callback, DistributeListener {
+class MainActivity : AbstractActivity(), ServiceConnection.Callback {
 
     companion object {
-        private const val TAG = "MyActivity"
+        private const val TAG = "MainActivity"
     }
 
     private lateinit var binding: ActivityMainBinding
@@ -86,7 +82,7 @@ class MainActivity : AbstractActivity(), ServiceConnection.Callback, DistributeL
         binding.navView.setupWithNavController(navController)
 
         reconnect()
-        startAnalysis()
+        startIntegration()
     }
 
     override fun onNewIntent(intent: Intent) {
@@ -182,109 +178,76 @@ class MainActivity : AbstractActivity(), ServiceConnection.Callback, DistributeL
         connection.reconnect()
     }
 
-    private fun startAnalysis() {
+    private fun startIntegration() {
         lifecycleScope.launch(Dispatchers.IO) {
-            when (Settings.analyticsAllowed) {
-                Settings.ANALYSIS_UNKNOWN -> {
-                    withContext(Dispatchers.Main) {
-                        showAnalysisDialog()
-                    }
-                }
-
-                Settings.ANALYSIS_ALLOWED -> {
-                    startAnalysisInternal()
+            if (Settings.errorReportingEnabled == Settings.ERROR_REPORTING_UNKNOWN) {
+                withContext(Dispatchers.Main) {
+                    confirmErrorReportingIntegration()
                 }
+            } else if (Settings.checkUpdateEnabled) {
+                checkUpdate()
             }
         }
     }
 
-    private fun showAnalysisDialog() {
-        val builder = MaterialAlertDialogBuilder(this)
-            .setTitle(getString(R.string.analytics_title))
-            .setMessage(getString(R.string.analytics_message))
-            .setPositiveButton(android.R.string.ok) { _, _ ->
-                lifecycleScope.launch(Dispatchers.IO) {
-                    Settings.analyticsAllowed = Settings.ANALYSIS_ALLOWED
-                    startAnalysisInternal()
+    private fun checkUpdate() {
+        val appUpdateManager = AppUpdateManagerFactory.create(this)
+        val appUpdateInfoTask = appUpdateManager.appUpdateInfo
+        appUpdateInfoTask.addOnSuccessListener { appUpdateInfo ->
+            when (appUpdateInfo.updateAvailability()) {
+                UpdateAvailability.UPDATE_NOT_AVAILABLE -> {
+                    Log.d(TAG, "checkUpdate: not available")
+                }
+
+                UpdateAvailability.DEVELOPER_TRIGGERED_UPDATE_IN_PROGRESS -> {
+                    when (appUpdateInfo.installStatus()) {
+                        InstallStatus.DOWNLOADED -> {
+                            appUpdateManager.completeUpdate()
+                        }
+                    }
+                }
+
+                UpdateAvailability.UPDATE_AVAILABLE -> {
+                    if (appUpdateInfo.isUpdateTypeAllowed(AppUpdateType.FLEXIBLE)) {
+                        appUpdateManager.startUpdateFlow(
+                            appUpdateInfo,
+                            this,
+                            AppUpdateOptions.newBuilder(AppUpdateType.FLEXIBLE).build()
+                        )
+                    } else if (appUpdateInfo.isUpdateTypeAllowed(AppUpdateType.IMMEDIATE)) {
+                        appUpdateManager.startUpdateFlow(
+                            appUpdateInfo,
+                            this,
+                            AppUpdateOptions.newBuilder(AppUpdateType.IMMEDIATE).build()
+                        )
+                    }
+                }
+
+                UpdateAvailability.UNKNOWN -> {
                 }
             }
-            .setNegativeButton(getString(R.string.no_thanks)) { _, _ ->
+        }
+        appUpdateInfoTask.addOnFailureListener {
+            Log.e(TAG, "checkUpdate: ", it)
+        }
+    }
+
+    private fun confirmErrorReportingIntegration() {
+        val builder = MaterialAlertDialogBuilder(this).setTitle(getString(R.string.error_reporting))
+            .setMessage(R.string.error_reporting_message)
+            .setPositiveButton(getString(R.string.ok)) { _, _ ->
                 lifecycleScope.launch(Dispatchers.IO) {
-                    Settings.analyticsAllowed = Settings.ANALYSIS_DISALLOWED
+                    Settings.errorReportingEnabled = Settings.ERROR_REPORTING_ALLOWED
+                    Firebase.crashlytics.setCrashlyticsCollectionEnabled(true)
+                }
+            }.setNegativeButton(getString(R.string.no_thanks)) { _, _ ->
+                lifecycleScope.launch(Dispatchers.IO) {
+                    Settings.errorReportingEnabled = Settings.ERROR_REPORTING_DISALLOWED
                 }
             }
         runCatching { builder.show() }
     }
 
-    suspend fun startAnalysisInternal() {
-        if (BuildConfig.APPCENTER_SECRET.isBlank()) {
-            return
-        }
-        Distribute.setListener(this)
-        runCatching {
-            AppCenter.start(
-                application,
-                BuildConfig.APPCENTER_SECRET,
-                Analytics::class.java,
-                Crashes::class.java,
-                Distribute::class.java,
-            )
-            if (!Settings.checkUpdateEnabled) {
-                Distribute.disableAutomaticCheckForUpdate()
-            }
-        }.onFailure {
-            withContext(Dispatchers.Main) {
-                errorDialogBuilder(it).show()
-            }
-        }
-    }
-
-    override fun onReleaseAvailable(activity: Activity, releaseDetails: ReleaseDetails): Boolean {
-        lifecycleScope.launch(Dispatchers.Main) {
-            delay(2000L)
-            runCatching {
-                onReleaseAvailable0(releaseDetails)
-            }
-        }
-        return true
-    }
-
-    private fun onReleaseAvailable0(releaseDetails: ReleaseDetails) {
-        val builder = MaterialAlertDialogBuilder(this)
-            .setTitle(getString(com.microsoft.appcenter.distribute.R.string.appcenter_distribute_update_dialog_title))
-        var message = if (releaseDetails.isMandatoryUpdate) {
-            getString(com.microsoft.appcenter.distribute.R.string.appcenter_distribute_update_dialog_message_mandatory)
-        } else {
-            getString(com.microsoft.appcenter.distribute.R.string.appcenter_distribute_update_dialog_message_optional)
-        }
-        message = String.format(
-            message,
-            AppNameHelper.getAppName(this),
-            releaseDetails.shortVersion,
-            releaseDetails.version
-        )
-        builder.setMessage(message)
-        builder.setPositiveButton(com.microsoft.appcenter.distribute.R.string.appcenter_distribute_update_dialog_download) { _, _ ->
-            startActivity(Intent(Intent.ACTION_VIEW, releaseDetails.downloadUrl))
-        }
-        builder.setCancelable(false)
-        if (!releaseDetails.isMandatoryUpdate) {
-            builder.setNegativeButton(com.microsoft.appcenter.distribute.R.string.appcenter_distribute_update_dialog_postpone) { _, _ ->
-                Distribute.notifyUpdateAction(UpdateAction.POSTPONE)
-            }
-        }
-        if (!TextUtils.isEmpty(releaseDetails.releaseNotes) && releaseDetails.releaseNotesUrl != null) {
-            builder.setNeutralButton(com.microsoft.appcenter.distribute.R.string.appcenter_distribute_update_dialog_view_release_notes) { _, _ ->
-                startActivity(Intent(Intent.ACTION_VIEW, releaseDetails.releaseNotesUrl))
-            }
-        }
-        builder.show()
-    }
-
-    override fun onNoReleaseAvailable(activity: Activity) {
-    }
-
-
     @SuppressLint("NewApi")
     fun startService() {
         if (!ServiceNotification.checkPermission()) {
diff --git a/app/src/main/java/io/nekohasekai/sfa/ui/main/SettingsFragment.kt b/app/src/main/java/io/nekohasekai/sfa/ui/main/SettingsFragment.kt
index f1921d9..8159c20 100644
--- a/app/src/main/java/io/nekohasekai/sfa/ui/main/SettingsFragment.kt
+++ b/app/src/main/java/io/nekohasekai/sfa/ui/main/SettingsFragment.kt
@@ -11,8 +11,8 @@ import androidx.activity.result.contract.ActivityResultContracts
 import androidx.core.view.isGone
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.lifecycleScope
-import com.microsoft.appcenter.AppCenter
-import com.microsoft.appcenter.distribute.Distribute
+import com.google.firebase.crashlytics.ktx.crashlytics
+import com.google.firebase.ktx.Firebase
 import io.nekohasekai.libbox.Libbox
 import io.nekohasekai.sfa.Application
 import io.nekohasekai.sfa.R
@@ -60,31 +60,18 @@ class SettingsFragment : Fragment() {
                 reloadSettings()
             }
         }
-        binding.appCenterEnabled.addTextChangedListener {
-            lifecycleScope.launch(Dispatchers.IO) {
-                val allowed = EnabledType.valueOf(it).boolValue
-                Settings.analyticsAllowed =
-                    if (allowed) Settings.ANALYSIS_ALLOWED else Settings.ANALYSIS_DISALLOWED
-                withContext(Dispatchers.Main) {
-                    binding.checkUpdateEnabled.isEnabled = allowed
-                }
-                if (!allowed) {
-                    AppCenter.setEnabled(false)
-                } else {
-                    if (!AppCenter.isConfigured()) {
-                        activity.startAnalysisInternal()
-                    }
-                    AppCenter.setEnabled(true)
-                }
-            }
-        }
         binding.checkUpdateEnabled.addTextChangedListener {
             lifecycleScope.launch(Dispatchers.IO) {
                 val newValue = EnabledType.valueOf(it).boolValue
                 Settings.checkUpdateEnabled = newValue
-                if (!newValue) {
-                    Distribute.disableAutomaticCheckForUpdate()
-                }
+            }
+        }
+        binding.errorReportingEnabled.addTextChangedListener {
+            lifecycleScope.launch(Dispatchers.IO) {
+                val newValue = EnabledType.valueOf(it).boolValue
+                Settings.errorReportingEnabled =
+                    if (newValue) Settings.ERROR_REPORTING_ALLOWED else Settings.ERROR_REPORTING_DISALLOWED
+                Firebase.crashlytics.setCrashlyticsCollectionEnabled(newValue)
             }
         }
         binding.disableMemoryLimit.addTextChangedListener {
@@ -128,23 +115,22 @@ class SettingsFragment : Fragment() {
             (activity.getExternalFilesDir(null) ?: activity.filesDir)
                 .walkTopDown().filter { it.isFile }.map { it.length() }.sum()
         )
-        val appCenterEnabled = Settings.analyticsAllowed == Settings.ANALYSIS_ALLOWED
+        val errorReportingEnabled = Settings.errorReportingEnabled == Settings.ERROR_REPORTING_ALLOWED
         val checkUpdateEnabled = Settings.checkUpdateEnabled
-        val removeBackgroudPermissionPage = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+        val removeBackgroundPermissionPage = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
             Application.powerManager.isIgnoringBatteryOptimizations(Application.application.packageName)
         } else {
             true
         }
         withContext(Dispatchers.Main) {
             binding.dataSizeText.text = dataSize
-            binding.appCenterEnabled.text = EnabledType.from(appCenterEnabled).name
-            binding.appCenterEnabled.setSimpleItems(R.array.enabled)
-            binding.checkUpdateEnabled.isEnabled = appCenterEnabled
+            binding.errorReportingEnabled.text = EnabledType.from(errorReportingEnabled).name
+            binding.errorReportingEnabled.setSimpleItems(R.array.enabled)
             binding.checkUpdateEnabled.text = EnabledType.from(checkUpdateEnabled).name
             binding.checkUpdateEnabled.setSimpleItems(R.array.enabled)
             binding.disableMemoryLimit.text = EnabledType.from(!Settings.disableMemoryLimit).name
             binding.disableMemoryLimit.setSimpleItems(R.array.enabled)
-            binding.backgroundPermissionCard.isGone = removeBackgroudPermissionPage
+            binding.backgroundPermissionCard.isGone = removeBackgroundPermissionPage
         }
     }
 
diff --git a/app/src/main/java/io/nekohasekai/sfa/ui/profileoverride/PerAppProxyActivity.kt b/app/src/main/java/io/nekohasekai/sfa/ui/profileoverride/PerAppProxyActivity.kt
index 4103798..bd8b8c8 100644
--- a/app/src/main/java/io/nekohasekai/sfa/ui/profileoverride/PerAppProxyActivity.kt
+++ b/app/src/main/java/io/nekohasekai/sfa/ui/profileoverride/PerAppProxyActivity.kt
@@ -282,7 +282,7 @@ class PerAppProxyActivity : AbstractActivity() {
 
             if (scanResult.isEmpty()) {
                 MaterialAlertDialogBuilder(this@PerAppProxyActivity)
-                    .setTitle(R.string.message)
+                    .setTitle(R.string.title_scan_result)
                     .setMessage(R.string.message_scan_app_no_apps_found)
                     .setPositiveButton(android.R.string.ok, null)
                     .show()
diff --git a/app/src/main/play/release-notes/en-US/beta.txt b/app/src/main/play/release-notes/en-US/beta.txt
new file mode 100644
index 0000000..0663726
--- /dev/null
+++ b/app/src/main/play/release-notes/en-US/beta.txt
@@ -0,0 +1 @@
+Fixes and improvements
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_settings.xml b/app/src/main/res/layout/fragment_settings.xml
index 114dab5..359b1ed 100644
--- a/app/src/main/res/layout/fragment_settings.xml
+++ b/app/src/main/res/layout/fragment_settings.xml
@@ -30,17 +30,17 @@
                 <TextView
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
-                    android:text="@string/title_app_center"
+                    android:text="@string/title_app_settings"
+                    android:layout_marginBottom="8dp"
                     android:textAppearance="?attr/textAppearanceTitleLarge" />
 
-
                 <com.google.android.material.textfield.TextInputLayout
-                    android:id="@+id/appCenterEnabled"
+                    android:id="@+id/checkUpdateEnabled"
                     style="@style/Widget.Material3.TextInputLayout.FilledBox.ExposedDropdownMenu"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:layout_marginTop="16dp"
-                    android:hint="@string/enabled">
+                    android:layout_marginTop="8dp"
+                    android:hint="@string/check_update">
 
                     <AutoCompleteTextView
                         android:layout_width="match_parent"
@@ -52,12 +52,12 @@
                 </com.google.android.material.textfield.TextInputLayout>
 
                 <com.google.android.material.textfield.TextInputLayout
-                    android:id="@+id/checkUpdateEnabled"
+                    android:id="@+id/errorReportingEnabled"
                     style="@style/Widget.Material3.TextInputLayout.FilledBox.ExposedDropdownMenu"
                     android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
+                    android:layout_height="match_parent"
                     android:layout_marginTop="8dp"
-                    android:hint="@string/check_update">
+                    android:hint="@string/error_reporting">
 
                     <AutoCompleteTextView
                         android:layout_width="match_parent"
@@ -95,27 +95,11 @@
 
                 </TextView>
 
-                <com.google.android.material.textfield.TextInputLayout
-                    android:id="@+id/disableMemoryLimit"
-                    style="@style/Widget.Material3.TextInputLayout.FilledBox.ExposedDropdownMenu"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_marginTop="8dp"
-                    android:hint="@string/memory_limit">
-
-                    <AutoCompleteTextView
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:inputType="none"
-                        android:text="@string/enabled"
-                        app:simpleItems="@array/enabled" />
-
-                </com.google.android.material.textfield.TextInputLayout>
 
                 <LinearLayout
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:layout_marginTop="16dp">
+                    android:layout_marginTop="8dp">
 
                     <TextView
                         style="?attr/textAppearanceTitleSmall"
@@ -154,10 +138,27 @@
 
                 </LinearLayout>
 
-                <LinearLayout
+
+                <com.google.android.material.textfield.TextInputLayout
+                    android:id="@+id/disableMemoryLimit"
+                    style="@style/Widget.Material3.TextInputLayout.FilledBox.ExposedDropdownMenu"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:layout_marginTop="8dp"
+                    android:hint="@string/memory_limit">
+
+                    <AutoCompleteTextView
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:inputType="none"
+                        android:text="@string/enabled"
+                        app:simpleItems="@array/enabled" />
+
+                </com.google.android.material.textfield.TextInputLayout>
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
                     android:gravity="center_vertical|end"
                     android:orientation="horizontal">
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 332702c..f3b1b72 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -2,6 +2,8 @@
     <string name="app_name">sing-box</string>
 
     <string name="stop">Stop</string>
+    <string name="ok">Ok</string>
+    <string name="no_thanks">No, thanks</string>
 
     <string name="title_dashboard">Dashboard</string>
     <string name="title_configuration">Profiles</string>
@@ -80,15 +82,10 @@
     <string name="core_version">Version</string>
     <string name="core">Core</string>
     <string name="core_data_size">Data Size</string>
-    <string name="analytics_title">Analytics</string>
-    <string name="analytics_message">Would you like to give SFA permission to collect analytics, send crash reports, and check update through AppCenter?</string>
-    <string name="no_thanks">No, thanks</string>
     <string name="check_update">Check Update</string>
-    <string name="title_app_center">App Center</string>
-    <string name="title_feedback">Feedback</string>
-    <string name="message">Message</string>
-    <string name="send">Send</string>
-    <string name="send_feedback">Send Feedback</string>
+    <string name="error_reporting">Error Reporting</string>
+    <string name="error_reporting_message">Would you like to allow sing to send error reports to developers via Firebase Crashlytics?</string>
+    <string name="title_app_settings">App Settings</string>
     <string name="about_title">About</string>
     <string name="app_description">Android client for sing-box, the universal proxy platform.</string>
     <string name="documentation_button">Documentation</string>
diff --git a/build.gradle b/build.gradle
index 17971be..4a4020f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,6 +2,8 @@
 buildscript {
     dependencies {
         classpath "gradle.plugin.com.betomorrow.gradle:appcenter-plugin:2.0.4"
+        // https://github.com/invertase/react-native-firebase/issues/6983
+        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.9.2'
     }
 }
 
@@ -10,5 +12,7 @@ plugins {
     id 'com.android.library' version '8.1.2' apply false
     id 'org.jetbrains.kotlin.android' version '1.9.0' apply false
     id 'com.google.devtools.ksp' version '1.9.0-1.0.12' apply false
+    id 'com.google.gms.google-services' version '4.4.0' apply false
+    id 'com.github.triplet.play' version '3.8.4' apply false
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 79b86cd..c8b7bec 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,7 +1,7 @@
-#Sun Aug 20 19:43:30 CST 2023
+#Mon Oct 30 15:48:15 CST 2023
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists