My guess is that during the Facebook event Quest PRO will be announced with the Lone Echo 2 version. If I watch the launch trailer I see a downgrade in graphics compared
LONE ECHO 2 - First Gameplay 30 minutes - No commentary (Oculus Rift S) - YouTube
Lone Echo (Video Game 2017) - IMDb
Back from the Future: How Ready At Dawn Crafted 'Lone Echo,' One of VR's Greatest Adventures to Date
Lone Echo II Launch Trailer Debuts Ahead Of Oct 12 Release
Lone Echo 2 - 360 Grad Trailer Experience [Reaktion][Oculus Rift] Top VR Game 2019 - YouTube