A free app for Android, by DoPuz Games.
Go Baduk is an app designed to introduce people to the game of Go, which is an ancient board game. It is a fun, fast, and simple game. You can choose to play with AI or with a human opponent.
The AI opponent is equipped with a strong chess skill, and it is made to be as smart as possible. The player with the highest score wins. There is a ranking system, which determines the level of the players.
If you want to learn how to play Go, you can download this app. There are a lot of different courses that you can choose from.