I found a map used to make this great story map but I was not allowed to log in.
Explore a Tapestry of World Ecosystems
I thought applications can only be built from layers and maps that have at least the same level of sharing. For example I have to share a map and its layers with everyone in order to share the resulting application with everyone.
I searched for the map with the terms id:dd6f7f93d54341a69a47002696cf5744