Amiibo .bin files are raw digital backups of the data stored inside physical Amiibo figures. In the context of Super Mario Odyssey
Gameplay Assistance: Scanning any amiibo during gameplay can reveal the location of a Power Moon or provide health-boosting hearts. Super Mario Odyssey Amiibo Bin Files
What are Super Mario Odyssey Amiibo Bin Files? Amiibo
Scanning these files (via NFC tags or emulators) provides the same "utter joy" as the physical figures: Use compatible blank NTAG chips and writer tools