From top to bottom, you make answers in squares.
As soon as you make answer, it is scored.
When you fill all squares by answers, your answer time is recorded.
Please enjoy it!
(2) subtraction (ver 1.3.8)
(4) 4 operations(additional, subtraction, multiplication, division)
HTC Desire (Android 2.2)
Galaxy S2 (Android 2.3.3)
Sony Tablet (Android 3.2.1)
The app corresponds to OpenFeint.
･Leaderboard in clear time
･Trophy according to results