Review and Ratings:
Concept/Innovative : 0.7 - This is a slot based app with innovative twist in it. App is completely integrated with facebook and it uses user's facebook friends in game play.
Usability: 0.5 - Tutorial is available but still takes time to understand exact functionality of the app.
Functionality/Correctness : 0.8 - No major issues found.
User Interface : 0.6 - User interface is average. App is not optimized for iPad.
Performance : 0.6 - Overall performance of app is good. It asks for facebook login everytime.