Here's what reading this QR code looks like on my Android phone, using an app simply called "Barcode Scanner." To find a scanner application, Google "QR Reader" and the model of your phone.

How to Make QR Codes on iPhone or iPad. Barcodes—or in this case, QR codes—consist of basic black and white patterns that, when read by a barcode reader device or app, reveal encoded ...

There are a variety of QR code generator apps out there, but for a good general solution, you can create a QR code via Chromium-based browsers like Chrome and Edge.