You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

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I'm looking for a combination of Android tablet and app that will unlock, open a scanner app, take a photo to scan, and then open the resulting URL in a browser in the shortest amount of time possible ...

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.