HeyTell
Sportacular
Heytell is now on the Marketplace.
Sent from my HTC Trophy using Board Express
I looked and saw GDocs on the marketplace:
http://www.windowsphone.com/en-US/apps/d3493945-5727-e011-854c-00237de2db9e
Does this not cover everything you want to do? I haven't tried yet so I don't know all it's features.
I think it would be a fun project to work on, but only if there is some value I could add over the GDocs app.