Today you can find smartphones everywhere. This situation created a hype for Augmented Reality and AR Apps. The big question is: Do these applications provide a real added value? To make AR pratically it is important to add the computational power of a computer to the advantages of AR. An easy and fast way of interaction is essential. A Poker-Assistance-Software is an ideal test area for an AR Application with real added value. The estimation of the winning probability and a fast automated tracking of the playing cards is the perfect field of investigation. In this discussion it is interesting to evaluate the added value of AR Applications in common.