To use quick scan, you can add QR Code Reader icon to your Quick Settings menu.Features of QR Code Reader:• Scan QR Codes, quickly read all QR Codes.• Barcode Scanner.• Create custom QR code.• Create Contacts QR code to share.• Flashlight supported for low-light environments.• Recognize code within pictures.• Scan/Generate history supported.• Support Quick Settings for quick scan. Usage Guide:1. Open QR Code Reader App.2. Align the Code, QR Code Reader will automatically recognize any QR code/Barcode.3. If the code contains a text, you can instantly see, or if the code contains URL, you can open the browser to the site.