An app called NonUSA is surging in popularity in Denmark; it “helps you identify and avoid American products in everyday life”. (Ironically, iOS-only for now…) https://www.the-independent.com/tech/us-boycott-app-nonusa-denmark-greenland-b2905574.html
App for boycotting US products tops Danish charts after Trump’s Greenland threats

NonUSA app ‘helps you identify and avoid American products in everyday life’

The Independent
Want to buy Canadian? There's an app for that | CBC News

Wouldn't it be great if your phone could just magically tell you whether the products you want to buy are Canadian or not? Well, now it can — thanks to savvy entrepreneurs across the country who've created apps to meant to help shoppers identify the origin of everyday staples.

CBC