diff --git a/Android.bp b/Android.bp
index 8ea60ce..405998a 100644
--- a/Android.bp
+++ b/Android.bp
@@ -4,6 +4,7 @@
   platform_apis: true,
   certificate: "platform",
   privileged: true,
+  system_ext_specific: true,
 
   srcs: [
     "app/src/main/**/*.kt",
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 81146e4..a4a06ef 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -23,6 +23,7 @@
         <activity
             android:name=".SettingsActivity"
             android:exported="true"
+            android:launchMode="singleInstance"
             android:label="@string/app_name">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />