QRReader it's an app to read the two-dimensional code QR code (Quick Response Code). to use it, you've just to capture the QR Code with a camera device and than click (or touch) the button "Decode". If the text into the QR Code is an internet URL, the app will show a clickable link to open the URL. The app supports the following formats: UPC-A, EAN-8, EAN-13, Code 39, Code 128, ITF, Codabar, QR Code, UPC-A, UPC-E, EAN-8, EAN-13, Code 39, Code 93, Code 128, ITF, Codabar, RSS-14 (all variants), QR Code, Data Matrix, Aztec and PDF-417.