Editing your Google Docs on the go
googledocs.blogspot.com
googledocs.blogspot.com
I've also used PlainText, which is without question the best text editing tool on the iphone and ipad. The dropbox integration is sick. http://www.hogbaysoftware.com/products/plaintext
http://android-developers.blogspot.com/2010/05/android-22-an...
(*Give or take a few dozen years)
It doesn't sound like that is supported yet.