One of the main resources in an AR application is the camera. Device camera is always open in the application’s main activity. The camera display is shown on the screen and the augmented data are placed on this display. In SARAS, camera display is created by using SurfaceHolder object. Another important task in AR apps is to find the user’s location. The application finds nearby POIs according to this information. Location information is obtained using GPS. In SARAS, Android Location Library is used for GPS properties. Besides, an available Google Play Services API is used if the device supports. Google Play Services provide Google-powered features such as Maps, Google+, etc. Permissions need to be added to manifest file to access location libraries and Google Play Services. SARAS application supports three different GPS modes for both Google Play Service version and Android Location Library versions. Detailed test results obtained with different modes are explained in Section 4. These modes are: