Tango Master is an intelligent Japanese vocabulary learning application. Review words in over 40 prebuilt lists containing more than 24,000 total words. By taking quizzes, Tango Master can track your progress. You'll be quizzed more often on items you are having trouble with, and less on those you know well
British Slang Free - A humo(u)rous yet strangely useful guide to British slang from the book, The Septic's Companion.
If you can't tell your brolly from your baps or your pants from your plus-fours, this application will be essential. Browsable by category or letter, searchable, and includes audio clips of each word and even a "guess the definition" game
Lost In Translation - Lost In Translation lets you type in a sentence or two, and then uses a translator to translate it back and forth from English to Japanese until some sort of balanced is reached.
The results are either nonsensical, boring, or strangely insightful.
You can also vote on what new features you want
Urban Dictionary 7 is unofficial - it is not affiliated with the UrbanDictionary.com site.
Urban Dictionary 7 is a Windows Phone application that lets you browse the content of UrbanDictionary.com. UrbanDictionary.com is a site that collects definitions for various slang, pop-culture and "internet" terms
Eng-Japan Dictionary is a *FREE* English->Japanese dictionary containing more than 188,000 entries. The dictionary does not require an Internet connection and can be consulted at any time: no crazy roaming charges or blackout times while on a flight! The only time you may need a data connection is if you click on a link in the help section
Eng-China Dictionary is a very comprehensive English->Chinese dictionary containing almost 100,000 terms. The application does not require an Internet connection.
Eng-China Dictionary supports both Simplified and Traditional characters, can search full words or substrings, allows single-character results, and support landscape mode for improved readability of long words