Android Guide: How To Use QR Codes (Barcodes)
The barcodes you may see when browsing this site are very useful tools. Typically they are used to provide a direct link to an app in the android market. We must make clear though, that these barcodes are actually called QR Codes. The QR standing for Quick Reponse, which they certainly are when you want to get straight to a specific application. They are very easy to use too, just follow this simple guide and you're on your way:
Easy! Now give it a practice using this QR code, if you are successful you should get a link to WaveSecure, one of the apps I highly recommend in my Top 50 Apps for Android 1.5 post.