For native apps blacklist default emulator MSIN and similar attributes (and let the cat and mouse game begin). For mobile web various fingerprinting techniques

For native apps blacklist default emulator MSIN and similar attributes (and let the cat and mouse game begin). For mobile web various fingerprinting techniques are available. As a fun (and quite irrelevant) example, you can immediately tell chrome, safari, firefox and node apart just with: atob('Ψ') x