GraspJPN - Learn Hiragana Kat is an Android app developed by TinyLin that offers a comprehensive learning experience for Japanese language enthusiasts. The app offers Hiragana, Katakana, N1, N2, N3, N4 and N5 practices, exams, and word cards, making it an all-in-one platform for learning the language.

One of the best features of the app is the variety of ways it offers to assist in learning Japanese, including listening practice, spell practice, and multiple-choice practice. Additionally, the app provides a mock test to check the user's learning progress. The app is completely free and is available for download on the Google Play Store. Whether you're a beginner or an advanced learner, GraspJPN - Learn Hiragana Kat is a great tool to improve your Japanese skills.