Audio Output selection on Android

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/request-a-feature/audio-output/
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Please add a selection for the audio output, to select that the audio output stays on the device speaker, even when Bluetooth for media is connected. That would be helpful when listening another source on car entertainment. Blitzer.de app solved that quite well, you can select Media, Device or hands free as output.