from tsuyoshi hyuga, originally released 20th November, 2012
This game is a game that differentiate the characters.
"O" or "0" is displayed on the screen.
"zero" and "O" is is clearly different.
So it is very simple.
In the app called "All SNSChecker", you can post to SNS.
ex. Facebook,Twitter,and mixi
Recent posts about 0o