Results:
* the winner is a person who lives in my home town. That's why I was able to personally hand over the prize yesterday in a cafe.
* 75 email address were submitted, but I have to delete some adress because it was too obvious that some have handed in several times
- after that there are 45 participants
- 34 users have submitted a complete correct solution (all 23 games)
- The worst solution had 11 out of 23 correct answers
- the mail adress show me, that 33 participants live in my town and are students at the university. It seems my "advertising" worked fine at the university.

* the correct solution is (of course) PI. For the solution of the first game you have to click 3 times, for the 2 game you have to click 1 time etc.
* complete statistics, how often a game was played and more I haven't recorded
- but some feedback from other users shows me that more people played the games but they haven't submitted there results
- the android version was downloaded 102 times. I know not a huge number but better than 0 ...

I hope some of you had at least as much fun as I had with the creation