DeNA is making a small fortune with Final Fantasy Record Keeper and their biggest competitor GREE is probably doing the same. They have a new version of their card game Final Fantasy Artniks which came out back in 2012.
Final Fantasy Artniks Dive lets players create a party of characters with traditional Final Fantasy jobs and strengthen them with cards representing other Final Fantasy characters. You can explore dungeons by walking on a map and fight enemies from previous Final Fantasy games. The game also brings back classic summon monsters like Ifrit, Shiva, and Bahamut.
Final Fantasy Artniks Dive starts on November 10 with a prologue quest. GREE plans on having a major update to the game in 2015 with new stories and events.