ドイツ語文法問題集　初級 is an educational app designed for beginners to learn German grammar. The app provides a systematic approach to learning, starting from the alphabet and progressing through various grammar topics.

The app covers grammar necessary for basic conversations and reading and writing in German, targeting those who want to learn grammar for simple communication or as a preparation or review for German as a second foreign language. It covers grammar up to level A1 or DSH4.

One of the notable features of the app is that it provides grammar explanations divided by parts of speech, allowing users to learn systematically. Users can also test their understanding by solving problems and checking their comprehension.

Additionally, the app offers a basic dictionary that opens when a word is tapped, providing quick access to word meanings. It is recommended to have a German-Japanese dictionary for further convenience.

The app allows for offline learning, so users can study without worrying about network connectivity.