I had similar issues.
In fact IslandPlaya replied to my post too. Android Instabilities - #3 by illYay
I don’t get it. Is it an issue with devices that Facebook/Meta builds specifically or all Android? I myself was doing stuff with the Portal since I’m a dev there and have unlocked devices.
I built a very simple demo project, and the base FPS demo worked. I had one point where an Actor was getting destroyed and some script ran and I had a crash. I even noticed that there appears to be a limit to what the scene can handle, and too much and the game crashes.