Good paid or free apps?

so i want a dope app like mario or lego harry potter. or like N.O.V.A. 2. like i want them to be where theres lots of levels and its hard to complete to 100 percent. like u got to collect a lot of stuff. or hella sexy graphics. THE APP CANT BE PAST 3.1.3 BTW. i dont got past that. so can u give me exapmles wheres its similar to like nova or mario or the lego franchize or like pokemon or like an rpg or like tower defense or like a tycoon game?? or games with llamas or beavers in them since i like them. so yeah. try to get best answer