A free program for Android, by Kimble Games.

Drag Racing Manager – Real Motorcycle Race, Bike Edition is the most realistic and extreme motorcycle simulator game for mobile devices. With an amazing level of detail, a real engine sound, and the ability to perform extreme motorcycle stunts, this game is perfect for adrenaline junkies.

In this game, you will ride a motorcycle, perform stunts and earn coins to upgrade and customize your bike. 

This game has tons of exciting race tracks and awesome game modes. The multiplayer online mode will have you racing against other players in real time. There is also a challenging career mode where you will compete against the best riders worldwide and earn respect for the community.