Get Katy Perry's SMASH hits FIREWORK and E.T. for FREE in this ALL-NEW app sponsored by Bing! Plus check out tour info, and follow Katy's tweets from in the app!

Hungry for more? Get the premium version of KATY PERRY REVENGE! The premium app includes the hit songs:
- I Kissed a Girl
- Hot N Cold
- California Gurls
- Waking Up In Vegas
- Teenage Dream
Plus more!

The Katy Perry Revenge premium app was:

** The #1 music game on the US App Store
** A Top 50 App on the US App Store