“…Several other research projects in this area deal with human interaction factors, augmented reality views and the growing range of divergent positioning techniques [1], [2], [3], [5], [11], [17], [21], [26], [29]. Nevertheless, none of the approaches developed so far enhances the navigation information by simply coloring the route to the destination and therefore decreases the level of abstraction at the user interface to a minimum, thus making navigation intuitive and natural.…”