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

If your Android device is not scanning a QR code, there could be a number of potential issues at play.

Free software on your phone or tablet lets you scan, create, edit, annotate and even sign digitized documents on the go.

From Aadhaar cards to currency notes, scanning physical documents is a common task most of us perform using our smartphones. While scanning documents on Android devices is quick and easy, many users ...