ProTranslate - Features: *Support for English Chinese Japanese French Russian German Dutch Greek Italian Spanish Italian and major languages. *Touch translated text for long and get copy/paste option
MacDroid Translator - Autodetects language of one or several phrases and translates them to one of more than 50 possible languages. Uses Google Language Detection and Translator API. Note: Languages with special characters are only supported if your Android device has the fonts installed. New version includes more languages like Swahili, Welsh, Yiddish, Malay, ..
Dictionary.com- The Dictionary.com app delivers trusted reference content from Dictionary.com and Thesaurus.com. The app includes phonetic and audio pronunciations, spelling suggestions and our popular Word of the Day
ProTranslate - Features: * Support for wide range of languages. * TWEET with translated text. * Touch translated text for long and get copy/paste option. * Autosave Language setting. * SMS(with contact)/email the text. * Swap language setting
Renaixenca Translator - Autodetects language of one or several phrases and translates them to one of more than 50 possible languages. Uses Google Language Detection and Translator API. Note: Languages with special characters are only supported if your Android device has the fonts installed. New version includes more languages like Swahili, Welsh, Yiddish, Malay, ..
SeaThreePO utilizes Google's GTalk translation bots to provide a simple translation service. As the author says "Its translations aren't great, but would probably do in a pinch. They'll likely improve as Google improves its translation bots".
More about the SeaThreePO project you will find at: http://code.google