Before saving your map make sure that you are log in to app.contextmins.com. The maps are automatically saved to your map list called "My maps". (pic. 1)
Pic. 1
Saving a map to your PC/phone/tablet
Click on the cogged wheel icon in the upper right corner and choose Map actions. Download your map as a JPEG, PDF, SVG format.
Saving a public map
Open the public map you are interested in, click the cogged wheel at the top - select "Map actions" and then "Create copy of map". The copy of this map will save to your map list.