Use the built-in camera app on your Android device to scan a quick response (QR) code, or use a code scanner on older models.

App Lock, free in the Android Market, allows you to set a lock code or pattern on an app-by-app basis, preventing unwanted access to any app you deem private. Setting up and using App Lock is a ...

How to Look for Android Apps by Scanning QR Codes. Installing new apps for your Android device is easy: launch the Android Market application, search for an app and install it. However, with a ...

TECH How to scan a QR code with your iPhone or Android phone (no apps needed) QR codes are those pixelated squares you see in restaurants, advertisements, stores, food packaging, business cards ...

How to scan a QR code on an Android phone As QR codes have become more common, more manufacturers have built QR scanners directly into the default camera app.