I dunno. this is a nice story, but at the end of the day an android phone is just a slightly tweaked linux box. The buttons are a little bigger, the small screen is optimized for one window at a time, and there's a pop up keyboard...

They are specifically designing a VR-based window manager here. And it's linux and a community of hackers, and open source. I think you'll see community imitations and tweaks and improvements on the apple formula as an option almost immediately.