If you've ever flown into Germany you've seen the two lines at customs and immigration, one for citizens of the European Union and one for non-EU citizens. The non-EU line is often longer and slower, though not exceptionally so at the times I've been through. Nonetheless in a family like ours, where the rest of them go through the EU line and I wait in the non-EU line, it leads to some extra complexities in travel.
EasyPASS is a program to enroll passports from several non-EU countries including the United States, South Korea, and Taiwan to be able to use the electronic readers in the EU line at German airports. One fills out a form to submit at an airport with an EasyPASS office, including Berlin (Brandenburg), Köln/Cologne/Bonn, Dusseldorf, Frankfurt, Hamburg, Hanover, München/Munich, and Stuttgart.
I enrolled at the Munich airport in July 2025, where EasyPASS is handled at the police substation. Follow the signs for the Politzei office, which is at the far end of the airport where there are a number of restaurants and shops. You ring the buzzer for admittance.

It is helpful if you speak a bit of German, but the police stationed at the airport have to deal with international travellers every day and understand English well. They were quite helpful in correcting a mistake I'd made in filling out the form. They then took my US passport to enroll in EasyPASS.
I don't have an outcome to report yet, it will likely be some months until our next trip to Germany to try using the EU line at the airport.