Kaywa has came up with its unique concept of this method. As you can see I have my own qr-code in this blog.
The way it worked is to use your Handphone's camera, together with kaywa mobile application which is called kaywa reader, which will scan the code, decode it, and open the decoded link, be it url, message, text, etc.
Once scanned from the mobile phone...
The qr-code in this blog serve as a mobile version of this blog, like below
It's viewed like this inside your phone.
Other than that, you can generate your own QR-code here