Q-Thesaurus - Have a comprehensive thesaurus handy any time any place. Using "Moby Thesaurus II" containing 30,260 words, with 2,520,264 synonyms and related terms. You can be certain that alternative words can always be found.
Note: You need an active WAP connection in order to use this program.
Wikipedia - Aroma Simple mobile application to read wikipedia details and to know meanings for any word in dictionary
Duden Dictionaries for mobile phones Reliable source of correct and good German from Brockhaus Duden Neue Medien GmbH. Dudens spelling and grammar are regarded as trend-setting and leading on the market