Google released a Windows Mobile app that can easily translate text from any language to any language.
Google Translator Features: 
- Free
- Support for translation in both directions for more than 40 languages, and this list is constantly updated.
- Intuitive interface.
- Supports all screens and all permits.
- The main functions of text editors.
- Localizable interface.
- The choice of font size and style.
- Support for proxy.
- Consumes almost no traffic, because works directly through the google api.
Homepage: Google Translator’s Homepage
where is the download link?
the google translator si a nice free tool that you can get online~`-
google translator is great but sometimes there are so many errors on the translation -‘;