Calculation Game в Android Market

Calculation Game (v. 1.30) Разработано kuma0942

this app set simple calculation questions one after another.
Try to calculate as fast as possible !

☆☆☆Your total Score will be ranked at OpenFeint(world ranking system).☆☆☆

★It has two modes.
First mode counts how long did you answer 20 or 40 questions.
The other mode counts how many questions you answered until time is up.
★It saves your total score and how many times you answer questions perfectly.

*Please tell me if you think this app has bugs.