JWPce - JWPce is a free Japanese <--> English dictionary and word processor created by Glenn...
zkanji - zkanji is a free and open-source study tool and dictionary of the Japanese language.
Obenkyo - Obenkyo is an app to help you learn Japanese on the Android Market
JDICT - JDICT is a cost-effective application that provides you an opportunity to convert the Japanese text into English, making you easily communicate with your friends without any disturbance.
Jisho - Powerful and easy-to-use online Japanese-English dictionary with words, kanji and example...
Takoboto - Japanese dictionary & Japanese language learning tool.