Your smartphone is full of surprises. There’s an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

QR codes have become an indispensable tool for quickly accessing online content. As a Samsung Galaxy smartphone user, you have the power to harness this technology with ease, thanks to your device’s ...

QR codes have become an established means to connect people regarding accessibility, payment systems, and other options. Through these scannable codes, people can now have quick access to an ...

Add Yahoo as a preferred source to see more of our stories on Google. You can scan the QR code on your own smartphone without needing a second device. Photo: Getty Images QR codes can be scanned ...