Review and Ratings:
Concept/Innovative : 0.6 - User needs to protect spaceship from fire balls by moving it sharply. User can move spaceship by dragging fingers on the given area on the screen. This definately is an addictive game.
Usability: 0.8 - Proper instructions or a small tutorial could help users to understand quickly.
Functionality/Correctness : 1.0 - No issues found.
User Interface : 0.5 - User interface is average. Objects can be improved.
Performance : 0.8 - Overall performance of app is very satisfactory. App is not optimized for iPad.