Hardware pitches?

[SvennoJ]

Mine is feasible, soon enough

Take this screen
http://www.techspot.com/news/61325-samsung-developing-11k-uper-resolution-mobile-display.html

Add Fove's eye tracking
https://www.vrcircle.com/fove-0-eye-tracking-vr-headset-shipping/

Hardware based foveated rendering
http://www.tomshardware.com/news/tobii-head-tracking-foveated-rendering,33321.html

Inside out tracking
http://www.roadtovr.com/eonite-vantage-head-tracker-6dof-positional-tracking-vr-ar/

Make it wireless (although the wire is the least of the problems)
https://arstechnica.com/gadgets/2017/02/htc-vive-wireless-tested-review/

And make games for it.