Web site was evaluated as most relevant source of information, as it is up-to-date which is crucial in such rapidly evolving field as mobile applications are. Moreover, some AR applications were taken as examples in order to apply functional design patterns oriented to AR applications. After the analysis of the example design for AR mobile applications, and applying the patterns of design given by Android Design website , Low and High-Fidelity Prototyping for AR City! Mobile application was designed and developed to provide guidelines to the developer about the final product appearance and functionality (See Figure 2 and Figure 3).