Use APKPure App
Get QuickFullScreen old version APK for Android
Aplikacja do szybkiego przełączania do trybu pełnoekranowego na urządzeniach Onyx.
Android app for quick switch to full screen mode. Compatible only with Onyx readers.
Can be launched from system application list or from any external launcher.
Please don't use with QuickFullScreen Manager. It will not work together.