イゴロク - 詰碁や定石の記録アプリ

イゴロク - 囲碁の詰碁や手筋の記録アプリ is an application designed to record and review Go positions and techniques found in literature. Users can create a personalized problem book by registering various Go puzzles. The app features categorization, the ability to set questions randomly, toggle stone number indications, input comments and marks, and utilize a green go stone. Additionally, it supports data backups to Google Drive, making it a comprehensive tool for Go enthusiasts.