https://www.wpxbox.com/fastmall-offline-map-wp/
FastMall brings Offline Mall Maps & Shop Directions on Windows Phone
May 25, 2019 - It is definitely a very good idea to have an Offline City Map on a phone, so you can save tones of battery life, but a map even for a Mall is bit crazy,
mall mapsshop directionsbringsofflinewindows