Find the hidden words

1.6 - Add difficulty levels and english for game language.
1.5 - Reset of highscores and bug fixes.
1.4 - New list of words.
1.3.2 - Bugfix on multiuser devices, add the possibility to reset the highscores.
1.3.1 - UI bugfix for small devices
1.3 - Add highscoretable, Bigger gamefield