Thank you very much for your feedback! :)
There are not too many screens scrolling. Only two from memory. I don't know if I'm going to keep these levels.
There's no music at the moment, and it's not planned. But if I ever find time, why not.
I'm having a hard time representing the ice, and I know there are still visibility flaws. I had originally put it in black, but it made the other tiles hard to read in particular cases. For the movement speed, I'll note that.
It's nice to know that people would pay for it, but for the moment it's not planned. It's a project I'm developing on my own time, for fun. If I add a touch of professionalism, why not put a free price.