diff --git a/android/app/build.gradle b/android/app/build.gradle
index 473b10c..65d3969 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -85,6 +85,10 @@ android {
         versionCode 1
         versionName "1.0"
     }
+    
+    buildFeatures {
+        prefab true
+    }
     signingConfigs {
         debug {
             storeFile file('debug.keystore')
diff --git a/babel.config.js b/babel.config.js
index f7b3da3..b6e4e1b 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -1,3 +1,6 @@
 module.exports = {
   presets: ['module:@react-native/babel-preset'],
+  plugins: [
+    'react-native-worklets-core/plugin',
+  ],
 };
diff --git a/package-lock.json b/package-lock.json
index d86595c..f9acbe2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,6 +17,7 @@
         "react-native-keychain": "^10.0.0",
         "react-native-safe-area-context": "^5.5.2",
         "react-native-vision-camera": "^4.7.3",
+        "react-native-worklets-core": "^1.1.0",
         "vision-camera-face-detector": "^0.1.8"
       },
       "devDependencies": {
@@ -10161,6 +10162,19 @@
         }
       }
     },
+    "node_modules/react-native-worklets-core": {
+      "version": "1.6.2",
+      "resolved": "https://registry.npmjs.org/react-native-worklets-core/-/react-native-worklets-core-1.6.2.tgz",
+      "integrity": "sha512-zw73JfL40ZL/OD2TOil1El4D9ZwS3l6AFPeFfUWXh+V2/dHN8i28jHX8QXlz5DYtAkR+Ju3U1h4yiaODi/igZw==",
+      "license": "MIT",
+      "dependencies": {
+        "string-hash-64": "^1.0.3"
+      },
+      "peerDependencies": {
+        "react": "*",
+        "react-native": "*"
+      }
+    },
     "node_modules/react-native/node_modules/commander": {
       "version": "12.1.0",
       "resolved": "https://registry.npmjs.org/commander/-/commander-12.1.0.tgz",
@@ -11046,6 +11060,12 @@
         "safe-buffer": "~5.2.0"
       }
     },
+    "node_modules/string-hash-64": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/string-hash-64/-/string-hash-64-1.0.3.tgz",
+      "integrity": "sha512-D5OKWKvDhyVWWn2x5Y9b+37NUllks34q1dCDhk/vYcso9fmhs+Tl3KR/gE4v5UNj2UA35cnX4KdVVGkG1deKqw==",
+      "license": "MIT"
+    },
     "node_modules/string-length": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/string-length/-/string-length-4.0.2.tgz",
diff --git a/package.json b/package.json
index 9e457e8..d99d84f 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
     "react-native-keychain": "^10.0.0",
     "react-native-safe-area-context": "^5.5.2",
     "react-native-vision-camera": "^4.7.3",
+    "react-native-worklets-core": "^1.6.2",
     "vision-camera-face-detector": "^0.1.8"
   },
   "devDependencies": {
diff --git a/src/screen/LockScreen.tsx b/src/screen/LockScreen.tsx
index 3be0454..de57e8c 100644
--- a/src/screen/LockScreen.tsx
+++ b/src/screen/LockScreen.tsx
@@ -6,8 +6,8 @@ import {
     TextInput,
     Alert,
 } from 'react-native';
-import { verifyPin } from '../auth/AppPinService';
-import { unlockWithDevice, unlockApp } from '../auth/AuthManager';
+import { verifyPin } from './authorised/AppPinService';
+import { unlockWithDevice, unlockApp } from './authorised/AuthManager';
 
 const LockScreen = ({ onUnlock }: any) => {
     const [pin, setPin] = useState('');
diff --git a/src/screen/Managelock.tsx b/src/screen/Managelock.tsx
index 91a70ce..dff1b80 100644
--- a/src/screen/Managelock.tsx
+++ b/src/screen/Managelock.tsx
@@ -1,5 +1,9 @@
 import React, { useEffect, useState } from 'react';
 import { AppState, View, Text } from 'react-native';
+import { isPinSet } from './authorised/AppPinService';
+import { isAppLocked, lockApp } from './authorised/AuthManager';
+import SetPinScreen from './SetPinScreen';
+import LockScreen from './LockScreen';
 
 const App = () => {
     const [locked, setLocked] = useState(true);
diff --git a/src/screen/SetPinScreen.tsx b/src/screen/SetPinScreen.tsx
index 18946ad..dae99c0 100644
--- a/src/screen/SetPinScreen.tsx
+++ b/src/screen/SetPinScreen.tsx
@@ -1,6 +1,6 @@
 import React, { useState } from 'react';
 import { View, TextInput, Text, TouchableOpacity } from 'react-native';
-import { savePin } from '../auth/AppPinService';
+import { savePin } from './authorised/AppPinService';
 
 const SetPinScreen = ({ onDone }: any) => {
     const [pin, setPin] = useState('');
diff --git a/src/screen/authorised/AuthManager.ts b/src/screen/authorised/AuthManager.ts
index d8adade..93af3e1 100644
--- a/src/screen/authorised/AuthManager.ts
+++ b/src/screen/authorised/AuthManager.ts
@@ -1,5 +1,5 @@
 import AsyncStorage from '@react-native-async-storage/async-storage';
-import { deviceAuthenticate } from './DeviceAuth';
+import { authenticateWithDeviceLock } from './deviceAuth';
 
 const LOCK_KEY = 'APP_LOCKED';
 
@@ -17,5 +17,5 @@ export const isAppLocked = async () => {
 };
 
 export const unlockWithDevice = async () => {
-    return await deviceAuthenticate();
+    return await authenticateWithDeviceLock();
 };