Formerly known as Fart Pro, this entertaining little app boasts a wide variety of fart noises and accelerometer support so you can prank your friends. As usual, you can find this baby on the Android Market for $0.99.
"A feature filled fart app for your phone!
Prank and embarrass your friends, co-workers, and family with hilarious fart sounds! Includes loud farts, squeaky farts, wet farts, explosive farts, and many more!
Easily enable and disable the built in accelerometer feature to prank your friends! This allows you to generate fart noises simply by moving the phone. Place your phone in a friends bag and watch the ensuing hilarity!"