Cool concept, an interesting spin on the theme! The visuals are simple but nice (good work on the menu btw) and the controls sharp and responsive; the absence of music is really a bummer, but it is not that big of a deal after all.
Unfortunately the game is a bit too hard to play even at standard difficulty due to a series of factors: first of all the fact that you can only hit the highlighted pusher, meaning that if you happen to get one highlighted that you are physically unable to hit because of the random generation of platforms you have to wait for a long time, increasing your chances to get accidentally hit. Also, the visual hint that the laser is about to shoot is a bit too short and often I found myself jumping, having the laser stop mid-air and getting hit on the way down, which can feel a bit frustrating.
Apart from these issues, though, the game idea is really interesting and its difficulty cam mean that you get motivated to try it a bunch of times. If you polish the mechanics a little bit more this can really become a cute little game, so keep up the work! ^-^