Whats Hamster Wheel Player?
This is an application to switch to play (or pause) of the Music app depending on iPhones (or iPodTouchs) sway.
How to use Hamster Wheel Player
1. Play the music from Music app.
2. Start this application.
3. Try to walk in your pocket the iPhone. While it is shaking, to play you Music app.
-- demo video --
http://www.youtube.com/watch?v=UlGA_e19jtE