The first release of the FF Group LPR App Region Americas v1.0 (December 2020) supports the recognition of US license plate formats incl. all 50 state templates.
The created meta data includes the recognized license plate and the identified US state.
Update January 2022:
The updated version of the FF LPR AM app supports the following Canadian license plates (also valid for FF LPR MMCR AM app):
