Hi Max,
Actually, objects more or less save the state of HyperCities at the particular moment when they're saved (for example, if you're in Google Earth, 3D buildings, the camera angle, which objects and maps are on, etc.). Just create an object as you usually would, set everything the way you want it, and press "Save." When you put multiple objects like this into a collection, that collection becomes a tour. You can also email a link to a collection, which should make it easier for the user to find your tour, too.
Best,
Dave