In terms of book-related apps, here's a listing of available vs missing apps.
Available Apps- Audible
- Downpour
- Kindle
- Kobo
- OverDrive
- Zinio
Missing Apps- 3M Cloud
- Axis 360
- Acoustik
- Blio
- Calibre Companion
- EbscoHost
- Google Play Books
- Hoopla
- Nook
- OneClickdigital
- Oyster
- Scribd
- Tantor