Read and generate QR codes for products, URLs, vCards, phone numbers, calendar events, and more with this fun and useful app.

The Lowdown: I downloaded the QR deCODEr app and started scanning QR Codes. The app gets the job done, but it crawls at scanning/decoding the code. Just to make sure I wasn't being impatient, I ...

Barcode Scanner can decode a QR code of vCard contact information. So how do you go about making and displaying QR codes that your customers can easily scan and use?