Actually this
trailer was enough to convince me the new Tron will be worth seeing. True, this Tron still has the laughably emasculated Jeff Bridges in it, and doesn't have that chick in the skinsuit who so impressed me in those adolescent years, and it will probably still nod a reference to stupid PacMan.
But the CGI looks phenomenal of course. The story appears to be a plausible way to both continue and forget the badness of the original Tron movie. Daft Punk is doing the soundtrack. Plus, it appears to have some unique eye-candy "keyboards" here and there. And it's inspired Tron-themed gaming keyboards and mice.
My guess is that crazy tronboard in the OP is probably just a bunch of random catchy glyphs, sorta like the not-quite-characters seen in the digital rain effect from the Matrix. The spherical keycaps look
very much like the sort commonly seen on Apple ][+ keyboards of the era, though the (probably) greyish colour suggests they may have been from some (even more commonly seen) Made-In-Taiwan clone.