Use APKPure App
Get Show Full Screen old version APK for Android
Hide your status bar and go full screen mode with one click
hide your status bar and go full screen mode with one click. You can use the notification enter full screen. This app is supported by ads but you can download the PRO version that is ads free.
How the app works:
This app is like a glass screen - transparent app. It is gone if you touch the screen. Use the above notification to bring back the app.