One question in my mind to you point of tweeking the QR code to somehow redirect to more than just a web address is what exactly is considered a resolution server? If a device remotely reads the code and resolves some type of pre-entered demographic about the phone's owner and redirects, is it or the process somehow acting as a resolution server? Hope that makes sense.
To me, though, it still seems much easier using the qode approach with a dynamically based approach, rather than having different QR's for different geographic areas thru a static approach. Static is so much more limited in flexibility. Once the QR is out, there's no changing the URL.