Possibly my favourite out of the 40-ish I've seen so far. Very interesting and unique mechanics and gameplay which sort of link back to the theme of game development, pretty much the best soundtrack period, some neat visuals and some very cool programming of the hands, overall just a fantastic game and I'll be surprised if you aren't featured in Blackthorn's top 10 video.
EDIT: Oh yeah forgot to say there's one HUGE FLAW in this game, the controls are awful to the point where often I feel like I'm wrestling with the controls rather than the actual challenge of the game. Please, if you make this into a full game (which I would highly suggest) just swap out all that dash bs for a simple doublejump, it will turn the game from maybe an 8/10 to a 10/10. Other than that though, top notch.