Japanese Conjugation City is an Android application designed to help users learn and practice Japanese verb and adjective conjugations. The app offers close to 30 different verb conjugations and 4 different adjective conjugations, each with their respective lessons and examples in romaji or Japanese.

The app features multiple choice or fill in the blank tests to help users test their knowledge on verb and adjective conjugations. It also includes JLPT N5, N4, N3, N2, and N1 verbs and adjectives, explanations for incorrect answers, and the ability to track your stats. Additionally, the app provides conjugation sheets for every verb and adjective, a searchable verb and adjective list, and tests that are scored and can be stopped at any time.

Furthermore, Japanese Conjugation City allows users to change the language display to show any combination of hiragana, romaji, or kanji. The app also includes grammar lessons in romaji or Japanese with examples.

Overall, Japanese Conjugation City is a comprehensive and user-friendly app that offers a wide range of features to help users learn and practice Japanese verb and adjective conjugations.