Thanks to Vladimir Burnin, who pointed this out in a Comment.
At the Teclast forum, there’s a locked-down post with this headline:
Teclast has not mentioned this on Weibo at all. The forum is usually where Teclast offers cutting-edge ROMs to their faithful customers to test before general release. Most of the posts are locked to the unregistered and access to some posts require a certain number of forum points.
After the break, some of the screensnaps that Vladimir provided, of Remix OS on the Teclast X98 Air 3G.
Click any image for very big.
What’s significant about these images is that they’re the first ones showing Remix OS on a screen with a 4:3 aspect ratio.
This one shows three apps open in three panels:
I have my doubts that Remix OS will interest me. I’m focused on waiting for the new Samsung tablets rumored to be announced next month. Samsung’s MultiView and app resizing methods interest me more.