That's an useful addition to have on and Android phone, imho.

Nokia's mapping service will soon be appearing on Samsung smartphones.

A deal between the two will see a test or beta version of an Android app for Nokia's Here maps included free on handsets and the Gear S smartwatch.

The move is widely seen as a way to help Samsung distinguish itself from Google which oversees Android. Nokia Maps To Appear On Samsung Phones and Devices [bbc.com]

Formerly known as Nokia maps, Here is also used by Yahoo, Amazon and Garmin and it provides map data for Microsoft's Bing search engine.