EasyGo - Katago AI Tsumego SGF

EasyGo for Android is a complete Go, Weiqi, and Baduk study app redesigned after 14 years. It brings together all essential tools: play against AI, analyze games, solve problems, and learn joseki. The app works entirely offline, including the built-in KataGo AI engine.

The app features offline AI play and analysis with KataGo, no server required. You can play against AI with calibrated ranks and human-style models, analyze positions with win rates and territory estimates, and continue saved AI sessions. EasyGo supports multiple KataGo engines including CPU, OpenCL, and optimized TFLite.

To sharpen your skills, the app includes over 2,400 built-in problems covering fundamentals, life and death, tesuji, joseki, and endgame techniques. It features a spaced repetition system, daily problems at three difficulty levels, and interactive joseki practice. You can import your own SGF problems or create them from game positions.

The full-featured SGF editor supports FF[4] format, visual node tree, edit and problem-solving modes, and seamless import/export. The app is optimized for tablets, supports dark theme, and allows customization of board appearance and stone textures. EasyGo offers generous free access to all features with an optional one-time upgrade for unlimited use, no subscriptions.