Wow... This is the best carboard game I have ever played, I am very impressed. Just wow. Great environment, super immersive and great game play. I lost myself in my in your world, amazing. Was not expecting to see any cardboard entries but I am super impressed and glad I downloaded.
If you have a PC headset you can check out my entry here https://itch.io/jam/vr-jam-2020/rate/637630