« … and of course, I want my mobile app to read QR codes ».
Yes, QR codes are useful, but they are not really cool. Just chat with designers, they will tell you how sad and bad they are when added in any graphical communication.
The time has come to make them fancy. Unicode company gives you the possibility to create your very unique QR codes for free.
Seeing how happy designers are about that, we strongly believe you should give a try to the their QRCode generator.
A one minute test gave us this neat www.tastyappz.com QR Code