WebStorage has three major functionality that are backup, sync, and share. I personally use it to backup the files in my PC and share files with my friends.
And yes, MyCloud is ASUS WebStorage. But, you can't sync all files to the transformer because the limited storage space in the table (I wish i can sync all my files).
Here are their sites, which might help you.
Online backup, file sync, for pad, PC, Android and iPhone - ASUS WebStorage