Please guyz im new into the android.Got my hands on a Google HTC
and lately saw the qr codes but im not able to undersatnd them.
Can somebody explain me hot to use the qrcodes. I saw it also here on EP
somewhere , if  iremember correctly Joomla put one with some app.

I tried reading it with the barcode app.
And also i tried google but i couldnt find no good How to.

Any help appreciated.

Example :