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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.

Quick Share on Android will now let you send and receive files by scanning a QR code. The feature will eliminate the need to add others as contacts, verify devices, or change your sharing settings.

Posts from this topic will be added to your daily email digest and your homepage feed. You don’t need an app for this —your phone can do it already. You don’t need an app for this —your phone can do ...