QR Cam is a free Android application developed by Aco under the Utilities & Tools category. It is a convenient QR code scanning program that allows you to scan various types of QR codes and activate related applications.

With QR Cam, you can easily scan a Line friend's QR code to add them as a friend or scan an Email QR code to activate the email application and write to your friends. You can also scan a TEL QR code to activate the phone application and make a call or scan a WIFI QR code to add it to the wireless network menu and connect to it.

The app also stores a history of the QR codes you have scanned, and you can choose to copy, share, or activate related programs with just a few clicks. You can also swipe left or right on the screen to remove a piece of historical data.

QR Cam allows you to customize your experience by enabling or disabling sound and vibration, and you can also rate or share the app with others. Overall, QR Cam is a simple, yet useful application for anyone who regularly uses QR codes.