TsumeShogi Chess Problem is a free app developed by Cross Field Inc. for Android users. It is a great app for those who want to learn shogi, and also for those who want to improve their shogi skills. The app is designed with clean graphics and easy-to-understand UI, making it accessible even for beginners. The app offers a rich set of problems, from handmade problems to problems of up to 5 hands, which can be enjoyed by beginners to advanced users.

The app includes basic rules, which are easy to understand, and a tutorial to help users grasp the rules while playing. The app is designed to teach users how to solve the opponent's king within a determined number of steps. Additionally, the app offers Shogetsu Shogi, which allows users to measure their skills and compete with other users in ranking.

Overall, TsumeShogi Chess Problem is a great app for those who are interested in learning shogi, or for those who want to improve their shogi skills. It is recommended for beginners who are looking for an application of Tsume Shogi with many problems, or for those who want to train Shogi's final abilities.