I've played many of the known rpg's from around the early 90's onwards: Baldur's Gate, Diablo II, Final Fantasy series and other Square/Square-Enix games. Recently on mobile I enjoyed Battle Heart Legacy's combat and classes. Ember on iOS is probably the closest thing I've found to EK and it was pretty good, but EK is better. Xenoblade Chronicles, walking dead
, Super Mario RPG (quite a gem).
But probably my favorite rpg of all time is Final Fantasy Tactics. It's a grid-based strategy game though, similar to say, XCOM. Phenomenal storyline, excellent soundtrack/effects, and the jobs system was revolutionary. Probably their online games were later based on it. The battles were very challenging and engaging, just a perfect game. it's been made available on mobile devices as well so if you haven't played it, definitely give it a turn. EK is fast becoming one of my all-time favorites as well
Currently we play the last Mortal Kombat mobile game.
But Final Fantasy Tactics sounds interesting.