国語海賊1年生の漢字編 is a free Android app developed by Fantamstick Ltd. designed to help first-grade students learn Japanese kanji in a fun and engaging way. The game follows the story of two pirate apprentices, Yondee and Kaidee, as they learn to read and write 80 basic kanji characters. The game uses gamification techniques to make learning more enjoyable and is designed to keep children engaged and motivated throughout the learning process.

The app features repetition exercises to help children memorize the kanji characters and allows them to learn at their own pace. The game also offers rewards in the form of collectible pirate cards and treasure, which adds an extra level of motivation for students to keep playing. Additionally, the app features an automatic scorecard that helps parents and teachers track their children's progress and identify areas where they may need extra help. The app also boasts intuitive and easy-to-use design, making it perfect for young children.

Overall, if you're looking for a fun and engaging way to help your child learn Japanese kanji, then国語海賊1年生の漢字編 is definitely worth checking out!