QR & Barcode Scanner app is the fastest QR code scanner / bar code scanner out there. QR & Barcode Scanner is an essential QR reader for every Android device. QR & Barcode Scanner / QR code reader is extremely easy to use; with quick scan built in simply point QR code scanner free app to QR or barcode you want to scan and QR scanner will automatically start scanning and QR scan it. No need to press any buttons, take photos or adjust zoom as barcode reader works automatically