>>26586998I honestly think this will be the most fun region to explore since Sinnoh. It also seems that the story mode will be a lot more cluttered and spread about, rather than just going from A to B to C. If they felt the need to give you a way to track where you need to go (which I choose to assume will be optional) then it will probably be a lot less linear than previous regions.
Here's a hypothetical situation. People in a later town are getting sick, and the gym leader asks for your help finding a cure. Since the RotomDex is described as updating itself, you actually have to talk with people and check town records in order to discover a cure, say, a herb that only grows in the crater of dormant volcanoes. Once you have enough info, you can have possible locations marked down on the map.
Of course, that's just me being optimistic.