Since 2013.12.19, We use "Google Play Service(Leaderboard, Achievement)".
Please update the app in your terminal.
Enjoy the one hundred squares calculation!
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!
(4) 4 operations(addition, subtraction, multiplication, division)
World leaderboard(Google Play Service):
(1) Daily leaderboard
(2) Monthly leaderboard
(3) Overall leaderboard
Galaxy S2 (Android 4.0.3)
Nexus7 (Android 4.4.2)