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.

Your Android or iPhone can probably already scan QR codes. Here's how to do it no matter what phone you have. When he's not testing the latest phones or phone cameras, Andrew can normally be found ...

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Savvy iPhone users know what to do when they see a QR code in the wild. Open the Camera app, aim, and tap the link that gets revealed. But what about QR codes in images and PDFs that are already on ...

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.