Please use this application you learn a national flag, and to confirm it.
It is a Quiz mode with a tap with a Quiz button.
When you tap a Next button, a national flag is displayed at random.
You choose the country with a picker, and please tap a Select button.
When you do not understand the name of the country, the name of the country is displayed by a triple tap.
It is an Info mode with a tap with an Info button.
The national flag of the country which you chose with a picker is displayed.