Thoughts on my newest IPhone game, “Fall Through!”?

Hey guys, I just released my second game, “Fall Through” to the app store! I wanted to know if anyone has tips or things I could do better for my next game? Thanks for checking it out!

Appstore Link:
https://itunes.apple.com/us/app/fall-through/id1460759555?mt=8


Here’s a little screenshot btw:)