At this point honestly I'm doubting bb10 even exist. Either that or its such an absolute mess that they can't even deal with it anymore. Instead they decided to just make some mock up, & demo it to the public to hold fan boys and investors over for a little.
Meanwhile knowing that bb10 is not coming anytime in the foreseeable future, and delaying it every quarter until the company gets bought out.
There was never a detailed release date, no periodic development glimpses, always the same demo everywhere you go, and no word on pretty much anything related to content.
It's vaporware and they know it. Everyone was lied to and they knew they were lying about it.