This Go Problems app, powered by TYGEM's extensive Go expertise, offers a comprehensive collection of tsumego (life and death) quizzes to sharpen your Go skills.

Key Features:

• PRO AI Guidance: The app's advanced AI responds to every move, allowing unlimited attempts and iterative learning. Repeated tries will bring you closer to the solution.

• Extensive Quiz Library: Approximately 5,000 high-quality life and death quizzes are available, categorized by "To kill" or "To live," and further divided into seven difficulty levels to suit all skill sets.

• Personalized Daily Challenges: Receive a daily quiz tailored to your current Go level, providing a consistent challenge and promoting skill improvement.

• Global Competition: Compete against players worldwide. Be the first to solve a quiz and claim your title as the eternal successful challenger. Focus on quizzes with low success rates for a greater challenge.

• Skill Level Assessment: Quickly assess your life and death skill level with a dedicated level test, eliminating the need to complete all quizzes.

• Customizable Appearance: Personalize your Go experience with a variety of Go stone and board skins to create a visually appealing interface.