To the creators of this app you need to completely overhaul this game, although I like to play it quite a bit. It does freeze when you get up to 545 CM‘s and then that it won’t work after that. If you want me to keep playing this game, you will fix it or I will delete it. I’ve had to start this game over several times because once it is to a certain point,like 545cm it freezes and stop working s