Well it looks like the re-branding of SkyDrive has begun, this afternoon the updated SkyDrive/OneDrive app hit the store and is actually full of subtle improvements compared to the old app.
It is not only a re-branding, the update brings the app up to version 3.5, and the changelog is showing a new thumbnail view, improved view of shared files, the ability to share multiple files at once. Pinning folders to the start screen. Open OneDrive files in other apps [?] and the inevitable bug fixes and performance improvements.
The changes are quite nice, and even though they better reflect the desktop version, at this time the desktop re-branding has not actually hit across the board. You can get the updated app from the store if you