Office Mobile for Office 365 is now available for download from google play store. It requires a qualifying Office 365 subscription.
Main features:
Access Office documents that are stored on SkyDrive, SkyDrive Pro, or SharePoint.
Documents you’ve recently viewed on your computer are readily available on your phone in the recent documents panel.
Email Attachments
Word, Excel and PowerPoint documents look great on your phone.
Word, Excel and PowerPoint have been optimized for the small screen of your phone.
Resume Reading
Presentation Views
make quick edits to Word, Excel and PowerPoint documents.
Formatting and content remain intact when you edit Word, Excel, or PowerPoint documents on your phone.
Edit While Offline
create new Word and Excel documents on your phone.
Comments
Share – send the document in email or save it to SkyDrive or SharePoint.
Download Office for android from google play store