JED
Japanese-English Dictionary for Android
JED is an offline Japanese English dictionary for Android devices based on Jim Breen's Edict and Kanjidic2, Jim Rose's kradfile2 and the Tanaka corpus.
Features

The application
- ... has about 170.000 entries originating from Edict
- ... has about 4500 kanji entries originating from Kanjidic2.

Searching
- ... can be done using kanji, hiragana, katakana or romaji.
- ... returns results immediately as the search field does change.
- ... can be filtered by characters, commonality or meaning and reading.
- ... can be narrowed to a certain category of words (like verbs or nouns).
- ... can return up to 1000 results via pagination.

Tags
- ... can be used to create vocabulary lists.
- ... can be merged, modified and searched.
- ... can be exported to Google Docs or Anki file.

And
- ... every elements can be copied to the clipboard.
- ... a notepad is available at any time for simple editing.
- ... viewed items can be reviewed under the History menu.
- ... kanji can be searched using radicals narrowing.
Acknowledgments
-
This software has included material from the JMdict (EDICT, etc.) dictionary files
in accordance with the licence provisions of the Electronic Dictionaries Research Group.
EDRG website and Edict website -
This software has included data from Kanji Cafe's Radical decomposition (KRADFILE2).
http://www.kanjicafe.com -
This software wouldn't be what it is without a number of factor.
Without any particular order:
- The people I did/do learn Japanese with/from.
- The Android platform itself from Google.
- Similar Android applications like AEdict by Martin Vysny.
- Similar IPhone applications like Kotoba! by Pierre-Philippe di Costanzo and Japanese by CodeFromTokyo.com
- Open Source API like Lucene from The Apache Software Foundation.