emxxButtons is written for Android car audio systems based on the emxx platform. It allows media players to get notified of spin and push events of the right wheel as well as some audio source switch events. Additionally it can allows to manually or automatically trigger the media scanner media at the device specic mass storage and SD card mount folders.
It has been tested with the Navgear DSR-N 270 and DRS-N 370 distruibuted by pearl.de
If you discover that it's also working for other models that the ones mentioned above please write me a mail.
Disclaimer: this software is in an early beta state, so expect the unexpected! :)