* Automatically check OruxMaps free version and prompt for installation or update.
* Install update and manage offline map with UI similar to Play Store.
* Support map data map style and hill shadings.
* Support high-quality Taiwan map provided by Rudy. (MOI.OSM Taiwan TOPO by Rudy).
* Support world-wide maps provided by Mapsforge.
* Support world-wide maps provided by OpenAndroMaps via links in their web site.