One suggestion, if I may, perhaps having the ship and astroid explode into white particles or something when colliding. This would help with a smooth transition into the gameover status.
Wow, I made a game just like this and am getting ready to put it on the app store, although your graphics are much better than mine. Good luck with your game.
Answers
Agree with @emretheappleguru the text is a little hard to read.
One suggestion, if I may, perhaps having the ship and astroid explode into white particles or something when colliding. This would help with a smooth transition into the gameover status.
Good job!
K