Those who have registered at the Teclast forum can see the contents of the locked post (use Chrome or drop link into Bing Translator).
We unregistered peasants only get to see that photo.
Note that this is an entirely different dual-boot scheme than the X98 Air 3G uses. There are only ten such test units in the hands of the public.
Waiting for it long time, from April/May :s
How do you do dual boot at one tablet tablet?