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.

You can scan the QR code on your own smartphone without needing a second device. Photo: Getty Images QR codes can be scanned directly on the same smartphone without a second device. We’ll show you how ...

Quick Response codes can be very convenient for traveling to websites, downloading apps, and viewing menus at restaurants, which is why they’ve become a vehicle for bad actors to steal credentials, ...