First of all, that is the stupidest fucking idea I have ever heard, even by dumbass Hollywood standards. The whole point of the Portal games was for YOU to solve puzzles in creative and fun ways. Making that into a passive experience renders the whole thing absolutely pointless. I would rather watch an Adam Sandler movie while eating shards of glass, with Lindsay Lohan's week-old panties wrapped under my nose.
Secondly, does JJ Abrams have blackmail photos of every studio head in Hollywood or something? Because the guy never struck me as particularly talented, certainly not enough to warrant letting him direct EVERY GODDAMNED MOVIE MADE FROM NOW ON. Not since Keanu Reeves has a less deserving motherfucker gotten so much.