PersonQuiz(History,Idol,Artist,K-POP,Baseball,Soccer)

"Person of history (Japanese history, world history) can not remember ..."
"Names and faces of the idle, such as AKB does not match ..."
"I like football, but I do not understand a thing of the players ..."

Do you not have had such a trouble?

I can challenge the various problems about the person (history, Idol, athletes, music artists) of each genre with this app.
Because you can also tweet the score or rank (class), you can also publish and competition to everyone my grades.

If you are confident in the knowledge, please try it by all means If you are try to remember from now on!