This is an app for studying a combination of basic grammar, vocabulary, pronunciation and kanji using different exercises and tools.
Audio files are available for all materials (exercises, words, etc.) so you can learn the correct pronunciation.
You will also become familiar with the more than 800 words needed to pass the JLPT N5.
The grammar tips cover basic and also more advanced concepts.
Your efforts are recorded on your profile page to motivate you to learn ever more Japanese.