Even though the mobile platform is full to the brim with RPGs, not often do we get a premium release that does not have IAPs whatsoever.
Devil Stone is your by the book JRPG for the Android and iOS and tells the story of Phicus Sera, the successor to the Underworld throne.
As Sera, the player is cast back in the real of humanity after losing his powers to the ancient devil king, and has to travel the world seeking fragments of the Devil Stone to return to his former self. During your journey, you will be meeting a variety of heroes who will join you on your adventure. As with other games of this genre, you will be battling monsters, completing questions and visiting various locations.