In the past, I forced all app links to just dump into Firefox so I could read the URL bar at least and figure out what it wanted. May have been a Android or Samsung setting. However it doesn't seem to be working on mobile anymore, so this should take care of it.
Extra points for a QR code scanner that shows you the link as well. People will just scan any QR code and open it up to see what it is. Bad 🙃

Really useful extension. Especially useful for nxm:// links with NexusMods with Linux.