Hi to be honest I’m not sure if it is a bug or an Android default behavior … I have installed a MP3 player and started playing the songs via the DMD2 media control. When I close DMD2 (via the close button in the bottom line button bar), the music continue to play. However it evens continue to play when I go in tablet standby mode …. Anyhow, I would assume that when I start playing music from DMD2, the music should stop playing when I close DMD2. But maybe I’m wrong and it should work as it does 😉 Nothing critical, just to report it.
The DMD2 media widget is just a “controller” to control whatever is the active media session.
So, for example, if you have Spotify playing, you can control it from inside DMD2 using the Media Widget.