A SCEDoormat NoME GUI for MacOS 11.0+
Developer : krHACKen
What it does : Encapsulates data in a CARD-bindable KELF container
NoME : No MECHACON emulation
Hold "control^" and click on the app, select "Open" and confirm.
https://support.apple.com/en-in/guide/mac-help/mh40616/mac