The transtion for Zelda from a 2d top down view to what we have today is a graphical progression, but the core elements are still there.
WHat are the core elements of Pokemon?
-Strategic Turn Based battles
-Elemental weaknesses and strengths.
-Taking on X (8) amount of trainers
-Exploration of a world map that unlock as you go
And graphcially things have moved from here:
That looks like exactly the sort of progression we have seen with Zelda et all to me.