Want to learn about the US?

Here is a quiz I found on Quizlet to study the flags of the states.

A brilliant (and simple) App

I found the page/application:
Type Fu
What I do and what I'm asking my students to do is to try typing proverbs and quotes - because in addition to their typing skills (which are pretty impressive I can tell you!) they can learn expressions in English.

ps. they seemed to like it but I think it's because of the sounds...