Again, my ASUS EP121 is a "pure" tablet. It runs Windows 7 and, similar to Mac's set up, I run the BIAB HDD from the USB port. I found a 128 GB SD card for under a $100 and added that for storing what I need on the tablet, as it has VERY limited built-in storage. Windows pretty much uses up that for the O/S.

It would be nice to have BIAB run on an Android unit. Perhaps ver 2014???? <grin>

LLOYD S