Maps on different devices with synchronization of bookmarks and photos of places, what are the solutions?

Question

satellite navigation

Tell me such a service so that walking through the forest with an android tablet with GPS / GLONASS, for example, I can mark an interesting place on the map, give it a description and assign a photo of this place. And so that later he could send this map to someone, view it on another device or computer. You also need to have access policies for such bookmarks, show something to everyone, and something just for yourself.
Google maps does not allow you to name your bookmarks.
In Yandex maps, you can give bookmarks of places and descriptions, but there is no synchronization between devices. Why is there authorization in the Ya.karta application at all?