From Propellerhead Software:
Got three minutes and want to make some music? Figure is the fun music-making app for instant inspiration. Figure will have you making music within seconds yet is deep enough for endless play on a transatlantic flight. Truly designed for mobile user on the go, Figure gives you drums, bass and lead synth, controlled by an incredibly easy to use touch interface that gets you sounding great literally in seconds. Slide your finger across the play pad and hear your bass line play. Tweak the Rhythm, Range and Scale Step wheels to get the result you're after. Programming drumbeats is just as easy. Set the rhythm and play the drums with your fingers. You won't want to stop. You won't believe how amazing you and your phone can sound.