kawaiiNihongo is an Android app developed by MardukCorp that helps beginners learn Japanese for free. The app offers a variety of features to learn and practice reading and writing Hiragana, Katakana, and Kanji with flashcards, learning games, and mnemonic learning techniques. Users can learn Japanese grammar with JLPT N5 grammar and vocabulary with JLPT N5 Kanji. The app has over 450 learning cards with unique illustrations and is voiced by Japanese native speakers. Users can also take lessons for listening comprehension and writing and drawing Hiragana, Katakana, and Kanji. The app requires an internet connection to register and download the learning cards on the first start. The app offers interactive learning games such as "Kana-Memory," "Nihongo Dash," and "Foxes vs. Gangsters" to memorize and recognize Hiragana and Katakana and train vocabulary skills. Users can customize their flashcards with different layouts designed by various artists to fit their learning preferences. Overall, kawaiiNihongo is an excellent app for beginners to learn Japanese with its comprehensive features and engaging learning games.