Now to switch on immersive mode in Android the Qt's templates or code modification required. But this mode is mandatory needed for all game applications and not only. I request for new function in GUI Qt part - to turn on immersive mode (and other possible Android screen modes). The support must be implemented in QtActivity.java class. It requires modification of onCreate() and and onWindowFocusChanged() functions according to [this|https://forum.qt.io/topic/75789/max-screen-size-on-android-whithout-navigationbar-dimension/2.] And some AndroidManifest.XML tokens needed to turn immersive mode on.