Current commercial solutions for AR browser on smart phone that use sensor based tracking
approach are Wikitude [13] and Layar [14]. The sensor based approach is used to this project, because it is
focused on the device’s location and orientation. This means if user are in a particular place and pointing the
device in a particular direction, it shows only the virtual bus stop annotations that corresponding to that place
and direction that matched with user radius distance and bus stop coordinate on the database