According to a post on googles blog the company let out a little teaser of particular interest to people who use the cloud-based productivity site away from their desks. It seems that editing by mobile devices like Android phones and iPads is on the way. An excerpt from there blogs states:
Second, today we demonstrated new mobile editing capabilities for Google Docs on the Android platform and the iPad. In the next few weeks, co-workers around the world will soon be able to co-edit files simultaneously from an even wider array of devices.
As a user of google docs this will be a welcome application.