The apps are pretty bloated coming in at over 100MB for each app. Although, it looks like they finally figured out that you don't release a tablet only app for Android, but an app that adapts to the device you're using.
It's still disappointing that they allow dropbox saves and not Google drive, though. But, this is easily remedied by saving the file locally.
Not integrating with Google Drive isn't really the main issue - it's not integrating with the system-wide file dialog that would automatically enable Google Drive support.
If this is the casualty of politics then it's a big thing to throw under the bus.
It's still disappointing that they allow dropbox saves and not Google drive, though. But, this is easily remedied by saving the file locally.