Nice list
I would make some complements. For full backups there would be nice to have an incremental backup option, however it's not easy to implement. For Calendar there is already the comability with MS Exchange but despite of many users' need no Shared Calendars' option is supported, even by Microsoft itself, though it's not a big deal to achieve. For a scanner application, I would see a simple OCR option to scan long URLs from a desktop computer rather than copying and pasting them to Android throug an email or another connection. And where is the Internet connection via USB, it is still missing, as well as SD storage to PC without switching off the memory card for Android itself - it was and still is the normal behavior of WMx or WP7.
