Some apps/games may have an unplayable segment.. a phone or ammo clip
that is 2 feet below floor level, or something important 2 feet beyond
your physical tv screen. The ability to drag/rotate the environment for
a moment to safely reach the item/but...
Live views of exterior feeds (security cams, volcano's, etc) in a
virtual TV , multi-room virtual environments, multiple preferences to
choose in each environment
Most humans, anywhere in the world live in small homes/apartments,
without much free space to set up a decent place for a reasonable play
area. Some game standardization rating system for play area size would
help. On a couple of games important item...