BTW, what is a point of interest, a.k.a. POI?
POIs are places on the map that carry some more information you are interested in. Just tap them. Usually they describe things like monuments, theaters, museums, pubs, hotels etc.
Locus Map allows you to place your own POI to mark anything you like on your trip, to show your friends your address on holidays or to let yourself navigate to it. It'simple:
*all these items can be edited
POIs are listed in the Points manager.
More about Points in Locus Map can be found here >>