For people who enjoy music and want to learn to play their favorite songs on a musical instrument, SplashPlay offers a mobile application that lets you practice and experience music in an easy and enjoyable way, wherever you are. SplashPlay features a virtual guitar that invites the user for a playful exploration of chords through the touch screen. Favorite songs and tuition videos can be downloaded and shared through the SplashPlay website. Chords appear in sync on the mobile phone and with optionally available hardware, also on the real instrument.

http://code.google.com/android/adc_gallery/app.html?id=42