Simple MIDI Controller for Android

The app uses the new MIDI Api thats available on Android 6+.

<b>Features:</b>
<ul>
  <li>Buttons for Play, Record, Stop and Rewind</li>
  <li>Fader that sends its value on Channel #0 and Controller #0</li>
</ul>
Features have been tested with Ardour and Bitwig Studio.
