National Flags is a flag card application.
Kids can learn the national flags, names, and capitals of all countries. Also, this app can show TOP 30 countries of GDP, average life, land area and so on...
Not only kids but also you can use this in a party. You and your friends can play it as a quiz. You will see that there are a lot of unknown countries.
Please note that Top 30 mode ranking will be differ from real time situation since the date will be old.