Rikai is an offline Japanese dictionary and Japanese language learning tool. It includes translations of some words in Vietnamese, English and displays example sentences, kanji information and conjugated forms for each word.

The words can be searched using kanji, kana, romaji or latin alphabets. Full sentences and conjugated forms are also recognized. Kanji can be searched by selecting multiple radicals.
■ Included features:
・ Search using any combination of Japanese, English, rōmaji or kana
・ Example phrases to see how words are used
・ Easy kanji search by selecting multiple radicals
・ Stroke order animation (viewable by tapping kanji on Kanji Details page)
・ Conjugated forms are provided and can be searched as well
・ Voice audio using text-to-speech
・ Browse the picture dictionary
・ Japanese morphological analyzer and translate texts
・ Favorites, history and custom lists of words for review
・ Study Flashcards
・ Can add your own custom translations and contribute new words
・ Ready-made study lists
・ Pitch accent display

Please note:
・ Extracted dictionary files require approx. 45MB of external storage space
・ Ads shown when online ('Remove Ads' is currently disabled due to some issues)
・ Network permission is used only for ads, this app doesn't collect any user data whatsoever