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.

QR codes was the new marketing tool on the block years ago, but as folks discovered, not everyone had a QR code scanner on their phone to use them. Nor was it easy to get a QR code scanner to use them ...

Add Yahoo as a preferred source to see more of our stories on Google. You don't need your phone to open a QR code. You probably already know how to scan a QR code with your phone. It's simple enough: ...

Two-dimensional barcodes called Quick Response codes, or QR codes for short, are used to store data that devices can read. While QR codes are popularly scanned via smartphones, what if you want to ...