Feature description:
Cloud Playlist sync across devices. For example, playlist changes you make on your tablet will be automatically reflected on your phone and vice versa.
Problem solved:
back-up of your playlists so you never lose your playlists if you change phones or devices
Brought benefits:
When switching from tablet to phone playlist sync and are updated
Other application solutions:
Cloud player by double twist does this perfectly however their UI sucks
Additional description and context:
Screenshots / Mockup: