iHobo App - Augmented Reality Hobo Signs App for the iPhone

This was another hoax on the Internet.

You can read about it here: https://www.wired.com/2009/07/augmented-reality-hobo-signs-theres-an-app-for-that/

iHobo
Forget coal, chalk or even magic-markers. The latest, and probably the greatest, way for hobos to communicate is, you guessed it, the iPhone 3GS. iHobo

There are however some real augmented reality apps out there.

https://www.google.com/search?q=augmented+reality+apps