diff --git a/fake-signature/src/huawei/java/com/huawei/signature/diff/AppListDatabaseOpenHelper.java b/fake-signature/src/huawei/java/com/huawei/signature/diff/AppListDatabaseOpenHelper.java
new file mode 100644
index 00000000..f7e2d26e
--- /dev/null
+++ b/fake-signature/src/huawei/java/com/huawei/signature/diff/AppListDatabaseOpenHelper.java
@@ -0,0 +1,75 @@
+/*
+ * SPDX-FileCopyrightText: 2023 microG Project Team
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.huawei.signature.diff;
+
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+import android.util.Log;
+import org.microg.signature.fake.R;
+
+public class AppListDatabaseOpenHelper extends SQLiteOpenHelper {
+    private static final String TAG = AppListDatabaseOpenHelper.class.getSimpleName();
+    private static final String DATABASE_NAME = "app_list.db";
+    public static final String TABLE_APPLIST = "applist";
+    public static final String COLUMN_NAME = "name";
+    public static final String COLUMN_FAKE = "fake";
+    private static final int DATABASE_VERSION = 3;
+    private static final String DROP_APP_LIST_TABLE = "DROP TABLE IF EXISTS " + TABLE_APPLIST;
+    private static final String CREATE_APP_LIST_TABLE = "CREATE TABLE IF NOT EXISTS " + TABLE_APPLIST + "(" +
+            COLUMN_NAME + " VARCHAR(255) PRIMARY KEY, " +
+            COLUMN_FAKE + " INTEGER CHECK(" + COLUMN_FAKE + " >= 0 and " + COLUMN_FAKE + " <= 1)" +
+            ")";
+    private final Context context;
+
+    public AppListDatabaseOpenHelper(Context context) {
+        super(context, DATABASE_NAME, null, DATABASE_VERSION);
+        this.context = context;
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        Log.d(TAG, "onCreate");
+        db.execSQL(DROP_APP_LIST_TABLE);
+        db.execSQL(CREATE_APP_LIST_TABLE);
+        initData(db);
+    }
+
+    @Override
+    public void onOpen(SQLiteDatabase db) {
+        super.onOpen(db);
+        if (!db.isReadOnly()) {
+            initData(db);
+        }
+    }
+
+    private void initData(SQLiteDatabase db) {
+        String[] wantFakeApps = context.getResources().getStringArray(R.array.signature_want_fake);
+        String[] neverFakeApps = context.getResources().getStringArray(R.array.signature_never_fake);
+        if (wantFakeApps.length == 0 && neverFakeApps.length == 0) {
+            return;
+        }
+        for (String app : wantFakeApps) {
+            db.insertWithOnConflict(TABLE_APPLIST, null, generateValues(app, true), SQLiteDatabase.CONFLICT_REPLACE);
+        }
+        for (String app : neverFakeApps) {
+            db.insertWithOnConflict(TABLE_APPLIST, null, generateValues(app, false), SQLiteDatabase.CONFLICT_REPLACE);
+        }
+    }
+
+    private ContentValues generateValues(String packageName, boolean fake) {
+        ContentValues contentValues = new ContentValues();
+        contentValues.put(COLUMN_NAME, packageName);
+        contentValues.put(COLUMN_FAKE, fake ? 1 : 0);
+        return contentValues;
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+        onCreate(db);
+    }
+}
\ No newline at end of file
diff --git a/fake-signature/src/main/res/values/arrays.xml b/fake-signature/src/main/res/values/arrays.xml
index 86a670a0..4f3118db 100644
--- a/fake-signature/src/main/res/values/arrays.xml
+++ b/fake-signature/src/main/res/values/arrays.xml
@@ -28,6 +28,10 @@
         <item>com.mobisoft.morhipo</item>
         <item>com.zzkko</item>
         <item>com.didilabs.kaavefali</item>
+        <item>com.airbnb.android</item>
+        <item>com.mobillium.papara</item>
+        <item>co.com.fincaraiz.app</item>
+        <item>com.frisby.frisby</item>
     </string-array>
     <string-array name="signature_never_fake">
         <item>com.truecaller</item>