google.com/store/apps/details?hl=en_US&id=stoicknight.japaneseconjugation
An app for practicing Japanese verb and adjective conjugations across JLPT levels N5 through N1, featuring multiple choice and fill-in-the-blank tests with explanations and conjugation reference sheets.
Apps and toolsGrammarVerb conjugationJLPTAppsAdjectivesJLPT N5ConditionalsQuizzesTranslation