1. In FL GesTure, the one FOREGROUND_SERVICE_MEDIA_PLAYBACK is used for the 'Mini Video Service' of Video Player. see the attached Video ---> 2. In FL GesTure, the other FOREGROUND_SERVICE_MEDIA_PLAYBACK is used for the 'Background playing' of Music Player. I do not attach any video related to this. It is because of Copyright for music and album images. If you test my application, you may know about it.
VR users can use VR Tablet PC to perform touch input , dragging input on the display of a virtual PC, or input letters with virtual keyboard. A feed back system that visually changes a part of the pen according to the distance between the pen tip and the display surface helps VR users to draw or write more precisely and quickly.