You have to fill out request forms, and have an interview, and if they like you they allow you to use the app. People want it because it lets them do what they

You have to fill out request forms, and have an interview, and if they like you they allow you to use the app. People want it because it lets them do what they want with less hassle and it makes many trips possible that are impossible if you have to cross the border at a manned border crossing. But of course, there is a slippery slope danger.