Change music tracks by volume buttons.
You need a media player app to play tracks. This app enables you use volume button to change tracks.
Volume + button will select previous track. Volume - will skip to next track. You need to press volume buttons ONCE for changing currently playing track.
You can change the volume easily by clicking volume buttons more than ONCE in quick order like double-clicking, triple-clicking or more.
Your device will vibrate briefly when you press volume button if you not click again in short time it will change the song and vibrate again to inform you that song is changed. You can disable vibration from app.
App can work always or when screen is off, you can change this by first option "Always Active".
You can enable experimental options by checking the option. These options may not work correctly for some Android devices.</br></br></br></br></br></br></br></br></br></br></br></br>