にゃんぷれ100脳トレナンプレ問題集1 is a free puzzle game developed by nekoappli for Android devices. This game is a new twist on Sudoku, where players must arrange cats in rows, columns, and 3x3 blocks without repeating a cat. The game has a hundred puzzles in varying levels of difficulty, making it accessible to both beginners and experienced players. The game also includes a save feature, allowing players to pause and resume their game progress at any time.

The game's cat-themed design is adorable and relaxing, making it a perfect game to play during commutes or to pass the time. The game's music and sound effects are also well-made and add to the overall experience. Overall, にゃんぷれ100脳トレナンプレ問題集1 is a fun and challenging puzzle game that cat lovers and Sudoku fans alike will enjoy.