The icon 
corresponds to popular channels.
The icon 
corresponds to the choice of view for the map, satellite or default.
The icon 
is used to center the tracker’s position on the map.
The icon 
allows you to change the duration of the track you wish to view on the map.
The icon 
displays the list of already created shares.
The icon 
gives access to the two following icons.
The icon 
corresponds to the breakpoints of the selected tracker.
The icon 
allows you to export your GPX track