Offline Japanese English Dictionary for Japanese language learner from basic to advanced, or for those who is practicing to get JLPT N1, N2, N3, N4, N5 certificates.
The dictionary contains nearly 200.000 Japanese words, 5000 kanji items with full-stroke writing guide, and over 180.000 example sentences.
Others useful functions include:
+ Look up by original Kanji-including words (ex: 数える), or its Hiragana form (ex: かぞえる) or the Romaji speech (ex: kazoeru), or from the word's English meanings (ex: to count)
+ Look up by conjugation form (ex: masu form, te/ta form, passive form ...of verbs and adjective)
+ Support both gana display and Romaji display to help beginner
+ Convenient Kanji mini dictionary to help learner with kanji meaning, on-yomi, kun-yomi, radicals and especially a handful animated kanji pad to learn stroke orders.
+ Listening to Japanese speaking words and sample phrases
+ History function to save all the looked up item
+ Favorite function to save all the words that you want to view later.

This dict is based on Jim Breen's WWWJDIC Japanese-English Dictionary and others useful sources.