On android (and I think iPhone too) you can scan barcodes with the camera app. It's not obvious, but I learned this from servers this year. When we sit down th

On android (and I think iPhone too) you can scan barcodes with the camera app. It's not obvious, but I learned this from servers this year. When we sit down they just say, "use your camera app to scan the barcode". It seemed to work for everyone at the table. Samsung, Pixel, and iPhone.