I always find it fascinating how great UX is an interplay of layers from the seemingly obvious to the subtle. All of this takes it’s shape by taking the user-centric view and understanding what that users will need from moment to moment and context to context.
This is exactly what I experienced in Tokyo, by receiving each information at the right moment, I managed to reach my final destination without any worries. Everything went smoothly without even noticing how much I was guided.