Augmented reality expert for a simple proof of concept for iOS

I need a simple app for iOS using Augmented reality, using camera, compass and location. I would like to display place's images on my screen. For example if i put the camera in front that a place I want to show an image over the current place... This is only a proof of concept so we can use hardcoded data, no API connection needed. The project need to be done using Objective C and i need it completed in less than 3 days. Thanks,