How to get a KML File from a Google Map to MAPS.ME (From PC or Mac to Mobile Device)
On your PC or Mac click on the Google Map - Click on the Square top right to make the map bigger
Click on the three red dots. On the Drop Down Click - "Download Kml File".
Send this KML File to your email address which you have on your mobile device.
Go to your mobile device and click on the attached KML File sent - See Slideshow below for further instructions for IOS and Android.
Easy - Enjoy navigating with MAPS.ME offline