https://play.google.com/store/apps/details?id=de.topobyte.apps.bms.atlas
TB Atlas & World Map - Apps on Google Play
The handy offline world map for your pocket
atlas world mapon googletbappsplay
https://www.worldatlas.com/
World Map / World Atlas / Atlas of the World Including Geography Facts and Flags - WorldAtlas.com
Well-researched and entertaining content on geography (including world maps), science, current events, and more.
world mapof the