The controls are a bit odd, but it creates some interesting challenges. Especially when the obstacles are in sync with the music, it makes a nice rythm game! My main regrets are that the music stop quite often, as the levels are pretty short, and that there doesn't seem to be a way to exit a level. I had to quit the game several times just because I was stuck in a level but wanted to try the others, or once because I entered a level I had already done.
But I guess this is due to the prototype aspect of the game. The game itself is quite nice! Good work.