People who are not familiar with the service, Slacker Radio music service plays in the same space as Pandora. While Pandora offers a premium paid service with on-demand streams like Rhapsody or Rdio. Despite providing a free service people criticized Slacker for it poor webdesign and mobile interface. However with the recent update Slacker corrected it. It now has new mobile interface and a well designed new version of their website.
They have now launched their new version of mobile app for every platform, iOS, Android, Windows Phone and BlackBerry. Everything was launched during the event they hosted on Tuesday night (2/12/2013) in San Francisco.
Check out their mobile app