Even the wikitude website doesn't carry the BB version because "It comes pre-loaded on all OS 7 devices with AR capabilities" :rolleyes:
It is coming for OS 6 and OS 5 though very soon, according to the site.:)
As far as I can tell, it's the same version for 9900 and 9930, but I don't know, you could try deleting and trying one of the older builds, they are everywhere on the net. Search around May this year.