I just notcied this game from itch home page
Super Awesome! it let me feel i am controlling my own hand, and these actions likes the Mudra which with different mysterious energy
I really love the music changed with hand pose,really attractive! not very hard to learn and adapt to this mechanic, go to flow state quick,and excited
btw, Thank you for your sharing your code I think it will be very helpful to learn digital feeling 2d game