edit: Important hot-keys to play Drag Racing
Revs = "Space"
Shift up and down = "Up and down arrow" or "Return"
NOS = Key "A"
And watch this very nice video, released by tropicalbobb!
Bluestacks is a free program for Windows 7 computers that allows the Android Drag Racing program to run on the larger screen of a laptop, for instance. This demonstrates the program and some desirable cars.
BlueStacks App Player Demo Video