Following iPad release, Google rolls out free Android and iPhone versions of Quickoffice for Apps customers - The Next Web

Another perk for Google Apps for Business customers; tbd if/when Mac OS and Windows versions of Quickoffice may appear

"Google has said before that these free apps are part of its plan to make converting Office files to Google documents, or making quick edits without converting, easy on any mobile device. They let you open and edit any Office files you’ve stored in Google Drive while you’re on the go. Furthermore, you can now find and use your Drive files from within the Quickoffice app (just sign in with your Google Apps for Business account and your Drive folders view will include Shared With Me, Starred, Recent, and any subfolders)."

Following iPad release, Google rolls out free Android and iPhone versions of Quickoffice for Apps customers - The Next Web