FMScreen is an FM synthesizer that is completely controlled by you touching the iPhone screen. All you will see is a black screen, but touching a spot on the screen will emit a noise. . .sliding your finger/thumb around will change the sound in many ways.
There isn’t much else you can do with this application(besides making noise). The noise will stop when you let go of the screen. . .and you can’t touch two spots at the same time. I would think adding some sort of visual feedback would be nice(whether it’s colors or whatever). . .but this one doesn’t do that(at least yet).
This is one of those applications I would wait on until it went on sale.
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