Yushino, the Words with Friends of Numbers has been around for a while on the App Store
but now it opens up to more and more add-citing fans, as it is also available as a Facebook app:
It is the geek revenge: a board game. with numbers. based on the Fibonacci sequence. and no cheating occurs - like in word games.
it's all based upon smartness and this is why Yushino's slogan is "smart me up!"
The rules are simple:
Enjoy the game and smart yourself up!
Hope to see you inside.
ATTENTION: it's only for the smart ones!