A simple Japanese dictionary that uses data from EDICT and similar dictionaries from Jim Breen, and also Big Japanese-Russian Dictionary from http://warodai.ru .

It supports search in Russian, English and Japanese languages, including Romaji and Roshiji.

If you don't need Russian dictionaries, simply disable jr-edict and warodai in Settings.
Application is fully offline, Internet is only needed to download dictionaries on the first launch (using WiFi is recommended).