I think, for a desktop work environment, people would be happy if it worked, given a standard keyboard, mouse, and display, on iOS, Android, Windows, and OSX, w

I think, for a desktop work environment, people would be happy if it worked, given a standard keyboard, mouse, and display, on iOS, Android, Windows, and OSX, with Linux support a bonus. MS Office supports this, as does Google Docs, and apparently, so does iWork!