This app was mentioned in 4 comments, with an average of 1.75 upvotes
8-bit style RPG - Dragon Sinker
16-bit style RPG - Romancing Saga 2
32-bit style RPG - Chaos Rings Ⅲ
Not tactical but https://play.google.com/store/apps/details?id=kemco.execreate.dragonsinker has a nice job system to customize your party