One of the application areas from augmented reality are wearable computers , also known as smart phones, tablets or personal information systems. That means, that augmented reality is available for the most of us, because we own an Android or an iOS smart phone. So we all have the possibility to use augmented reality in our everyday life.
This page introduces a few augmented reality apps for smart phones or tablets and discuss how they work and how we can help us it in our everyday life as a real world use case.
 D.W.F. van Krevelen, R. Poelman. A Survey of Augmented Reality – Technologies, Applications and Limitations. The International Journal of Virtual Reality, 2010, 9(2):1-20