Locus - audio guide
Furthermore, using the "point by point" voice guiding and connection between point of track and POI, can offer an interesting additional functionality - audio guide! To do this, play an audio file from the POI. Imagine riding a bike and a car, when voice tell interesting details of places and objects that you pass. Moreover, the use of "point by point" lets advance start the story next POI, even before we came in this POI. All this automatically - hands free.