QR & Barcode Scanner app is the fastest QR / bar code scanner out there. QR & Barcode Scanner is an essential QR Scanner for every device. QR & Barcode Scanner / QR code Scanner is simple and easy to use app, with quick scan built in simply point QR code scanner to any QR or barcode you want to scan and QR scanner will automatically start scanning. there is option to adjust zoom as barcode scanner works automatically. QR & Barcode Scanner can scan and read all QR codes / barcode types includ