Better compatibility with newest iOS version

We added fog. And do you know what is the best about fog? It doubles your bonus points. Now it is even easier to reach the maximum score! Or it isn't? Try now!

Added new cool backgrounds to the game. Now it's even more fun to play!
Also fixed some minor bugs.

In this version, we have added several nice improvements.
Now you have a special button so that you can view your personal best score at any time. The screenshot function now also shows your personal best.
We also fixed found minor bugs.