So much is not being done with VR technology, mostly because Meta aren't a technology company. They're an acquisitions and holding company posing as a tech company.
Give devs the ability to convert QR codes into VR objects.
In this case this VR experiencer would look at two QR codes on a sign at the start of the walk, and the VR map could then be correctly overlayed onto the real forest.
Or another use case: putting QR codes on exercise weights so the game can track them, rather than struggling to track your hands or controllers.