Years after being introduced with much hype and fanfare and then labeled a flop, virtual reality adoption and software development continues to grow and keep marching on, game developers in town for the PAX East convention said yesterday.“There’s enough of an audience of people that are doing VR that you could make money, and that’s when developers start jumping in,” said Steve Arnold, head of Oculus Studios. “Entertainment, news, working experiences, those are starting to come along now that an audience has been built around it.”