Kanske har jag missat något men måste man inte vara "US or canadian citizens" för att kunna utnyttja detta? Se nedan:
CBP uses the Mobile Passport Control (MPC) application to streamline the processing of eligible travelers entering the United States. Eligible travelers with a smartphone or tablet may voluntarily download the Mobile Passport Control (MPC)-enabled mobile application (app) from a mobile application store (e.g., Apple App Store or Google Play Store).
The MPC mobile app, is available to U.S. citizens, U.S. lawful permanent residents, Canadian B1/B2 citizen visitors and returning Visa Waiver Program travelers with approved ESTA. MPC is currently available at the following 48 sites, including 33 U.S. International Airports, 11 Preclearance locations, and 4 seaports of entry: