Say what you want to believe, but if Wololo seems to be confident enough that it will eventually release and is a legit thing, then most (if not, almost all) people following the scene are going to believe it is real and will release. And it probably is, and will. You've got your video footage for a start, and your instantly-working app which decrypts all of the content of a downloaded game/app. The method in the video is beginning to look legitimate enough for me as I play it back time and time again...
Not all devs want to release there tools. If they all did the Vita would probably be completely cracked.