I very much did enjoy the attention that was put into what I can only imagine was a very difficult drawing system, but I do feel like that the general experience was held back by confusion and some overly hard levels. Specifically I think that you could better teach your players about the menus (as I spent the first two minutes just figuring out what was going on), getting more player feedback about the levels before you release (I felt that some of them were near impossible), and maybe polishing up the visuals and sound a little bit (the shooting sound has an odd annoying pop at the end of it). Overall though, I think that it's a pretty solid idea that could use some more polish.