In Memory-Map for All, you can change the appearance of newly created Marks, Routes and Tracks.
For example, in Australia, the maps show most of the roads in red. If your tracks are also red, it is hard to see where you have been. It is best to change the default track to a different colour so they stand out from the roads.
First open the Overlays (top right), Overlays List, tap the Menu (☰) at the top right of the dialog, and select Edit Defaults > Track Template.
Then tap Appearance, and select the desired colour, contrasting with the roads on the map (Eg, green). By default the routes are colored blue, and it is a good idea to have tracks a different color from the routes.
You can also customize the naming and category of newly created overlays, using the month, day, etc. See Here for more details.