This application that you can memorize the name, location, capital city and largest city of America at once.
The quiz can also be chosen for each area in the US so you can learn it little by little in order.
Since the correct answer rate for each state in the United States is also displayed, you can grasp the difficult place and learn efficiently.
The problem was quizzed on 4 choices, and if you can answer to the end without making a mistake,
It will be clear, so try hard to aim for the entire area to win.