【實用解謎app】World Cities Quiz|最夯免費app-綠色工廠好玩App

Quiz: Do you know the cities of the the world? This app will quiz you over all the cities that have a population over 1 million people.

Test your knowledge with this app. With a click of a button you can either create a study guide with the states you are having a problem with or you can remove a state from the question bank if you already know it. This app also allows you to email yourself a report of how well you did in your last attempt or in all of your attempts.