QRScanner /QR reader is the best application, the fastest application for reading QR Code and Barcode. QR scanner is light weight app, handy to use.
Just with your cell phone, you can read the information stored behind barcode / QRcode quickly in just seconds.

Steps:
1) Open the application.
2) Scan -> point the camera to QR code or bar code that you want to scan,
QRcode Reader will automatically recognize any QRcode or Barcode.

Features:
1) Simple and easy to scan.
2) Instant scan
3) Flashlight supported.