Corbin Davenport / Android Police:

Microsoft’s Office app for Android is now generally available, after releasing a public preview in November, but lacks support for tablets and Chromebooks  —  Once upon a time, you could view and edit Google Docs files from a single Drive app, but Google later split them up into multiple editing applications.

Microsoft's Office app for Android is now generally available, after releasing a public preview in November, but lacks support for tablets and Chromebooks (Corbin Davenport/Android Police)
Source: Tech Meme