QR code scanner app.
And running a QR code reader, please aim at the QR code mark.
When recognizing the QR & BAR code, you will go to that web page.

When the QR & BAR code is plain text, phone numbers, the QR code will show the text, the phone number information.

If you aim at your QR & BAR mark, click or automatically recognized by the camera without the need to scan the QR & BAR code, will be read.
Please use a QR & BAR Code reader applications well.

- Open Source ZXing library QR & BAR scanner. Apache License 2.0.