Qr and barcode scanner is a simple app where you can scan QR/barcodes as fast as possible.

Qr scanner and bars is easy to use; All you have to do is turn your phone horizontally and point it at the QR or barcode you want to scan and the application will automatically detect and scan it. You don't need to press any button, take photos, much less adjust the zoom.

Another option you have is to scan the codes through the gallery, either QR code or barcode.