OpenWay is an application designed to guide autonomously Visual Impaired people on urban routes or for treks. The specificity of this "inertial" application gives a proper orientation in real time focused on the next waypoint even if the user turns around. Furthermore, a user can be hesitating between different paths and the fact that the application gives the correct orientation in real-time guides the user to his destination efficiently. Recommanded minimal version of Android : 6.0.1 Necessar