This is simple Spotify Sweepstakes for Sony Music Beligum's prize draw for artist Sia. This is a good example of many of the Spotify contesting applications we deploy weekly that allow fans to connect with an artist and be entered for a chance to win.
You can check out the campaign at http://www.tweematic.com/siaspotify
Mobile and Responsive
All of our projects are responsive and optimized to work on a range of popular mobile devices including iPhone and Android devices.