We used Mobile Passport for years and it worked very well, although finding the line was always a challenge. It was taken over by MPC run by Homeland Security. It works the same as the original Mobile Passport. It only facilitates entry and doesn’t provide TSA Precheck. Global Entry speeds entry and as an added benefit provides Precheck. We sped through Immigration in CTL on our last trip with GE. The facial recognition took less than 30 seconds. We are still big fans of Mobile Passport, now MPC.