This is the original Mezcode App, shared with other software engineers at Google I/O in 2009.

You might not have any change in your pocket, but you always have your phone. The Flipper app can help with decision making or fairness on the athletic field. It flips a coin. Flipper has a choice of coins, including Euros, a menu to turn the sound off and on and a realistic 3D rotation animation. Use this app in Spanish, French, Portuguese, German or Russian

Choose from a wealth of American and European coins

Control the coin sound, off or on

Flipper was published to the Market in time for Google I/O in May 2009. It started as an app that was a simple dialog box on the G1 screen. Flipper was also available on Blackberry's App World, running on the Playbook tablet and their latest phones using the virtual Android player technology from Research in Motion.