https://www.cbp.gov/travel/us-citizens/mobile-passport-control
Has anyone used this, and is it something you can use with a waiver?
Read an article about it speeding up entry considerably.
CBP Mobile Passport Control App - works with waivers?
https://www.cbp.gov/about/mobile-apps-directory
No idea but here are ALL the Apps.
You'd think they'd make one app.. Smh
They told me to use it before I cross the border next time. This give them the chance to do a research prior your arrival in their database to see if you're ok since the waiver was granted.