the author of this app says:
This is a Palm extension to help improve text entry on handheld devices. The program predicts the word you are entering through the graffiti input or the systems keyboard, and provides a suggestion list with words to choose from. It will sort the list by the frequency of use of the words. You can customize Text Complete settings, so it will automatically add a space after you have chosen a word.
The application supports a variety of dictionary databases that are also compatible with QuickWrite, QuickSpell, QuickCheck and Mobile Word 2003. Text Complete is distributed in Dutch, English, German, French, Spanish and Italian. Each language distribution includes four dictionary databases for that language. It supports multiple dictionary databases at a time.