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.