Word Shaker

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- better support for tablets
- fixed shaking on some devices
- added french language support
- added dictionary lookup (tap on a word)
- added best word score on gameover screen
- difference with previous ranking added to the gameover screen
- fixed 9000+ score problem
- added "all words" button to gameover
- added dark theme
- added sort found words option
- various graphical improvements
- misc fixes