Easy Brain Training! Of the series "Character is what color?" It is.
Or letter of the problem is what color of the, is an app to answer to choose from a list of colors to be displayed.
Easy Brain Training Series, you can head of gymnastics in a short time.
You can answer how much a problem in one minute, Let's challenge!
Or to compete in the rankings, you can see the daily results in a graph.
Exchanges between users in the message board is also available.