This app is just amazing! I have absolutely no problems with it, there are no problems, and there are so much fun different pens that you can use. I think it would be a little better if there were some daily spins some ways to erase your mistakes by using adds instead of undos. This is another suggestion. If the player wants to restart his drawing he or she should have an option to do that without watching a million adds to undo the whole thing. These are just suggestions and it is okay if it is too hard to do, but it would be really fun if you could do that to the game and I would really appreciate it.