Add-on for GDocs that allows import/export (upload/download) between Google Document and your phone. Google Apps Premier domains can import (upload) files of arbitrary type. There are some limitations on file import.
GDocs uses a library for accessing Google Documents that is derived from
Google Documents List Data API and Android project,. This library
released as an open source project (http://code.google.com/p/android-gdocs-api/).