It’s unplayable for me. An in-game popup box appears on iPhone XR, safari as of right now. It says,
call_indirect to a null table entry (evaluating 'Module["asm"]["Hi"].apply(null,arguments)')
It seems this problem is being discussed over at //github.com/godotengine/godot/issues/37931.
Edit: discussion information was added 7 minutes after initial comment.