-No you will have to choice between playing with Virtual reality or not and we will gaming on a 32k TVs
Sony,Microsoft and Nintendo will stay around but Sony stopping creating handheld and Nintendo stop home consoles could possibly happen.
Physical media will always stay there people want to sold their games when they stop playing them,smartphones will never kill consoles they don't attract the same type of gamers
I think Vgchartz will still exist
PS4 - over 100 millions let's say 120m
Xbox One - 70m
Wii U - 25m
Vita - 15m if it will not get Final Fantasy Kingdoms Heart and Monster Hunter 20m otherwise
3DS - 80m