Simple User's Guide as follows:
To scan the QR code, simply open the application, align the code. QR Code Reader will automatically recognize all QR codes. When scanning the QR code, if the code contains a URL, you can open the browser by clicking the Browser button. If the code contains only text, you can see instantly.
Code: EQS, QR Code, Data Matrix, Quick Code, EAN8 / 13, Code39, Code128, BarCode, Bar Code, QRCode