This application is a learning application of the flags of the world. There are four modes: "List Mode", "Learning Mode", "Challenge Mode" and "Adventure Mode." From beginners to advanced users of flags, anyone can enjoy learning the flags of the world.

# List mode
In this mode, flags can be displayed by country name. The country names are divided into 7 regions and arranged in alphabetical order.

# Learning mode
In this mode, you can learn the flags of the world by switching between showing and hiding flags and country names.
You can select the region and the order in which you want to display the flags of the world.

# Challenge mode
In this mode, you can check your memory by taking a test. You can choose from the following two types of questions.
1. look at the flag and answer the country name
2. look at the country name and answer the flag.

# Adventure mode
In this mode, you control the player to try 197 questions.
Mode A : A mode to test how many correct answers you can get out of 197 questions. After playing, you can view your score sheet and check the questions you got wrong.
Mode B : A mode to try to answer 197 questions in a row correctly.
In both modes, you can choose from the following two types of questions.
1. look at the flag and answer the country name
2. look at the country name and answer the flag

Aim to become the world flag master using this app!