google.com/store/apps/details?hl=en&id=com.renshuu.renshuu_org
Mobile app offering vocabulary, kanji, grammar, and sentence study with spaced repetition, games, and customizable learning paths for all proficiency levels.
Apps and toolsEducational gamesVocabularySpaced repetitionJLPTAppsKanji mnemonicsPitch accentExample sentencesGamesFreeTextbooks