A free app for Android, by Julia Qian.

Argentinosaurus Simulator is a 3D dinosaur simulator game with a free-roaming environment, where you can explore a vast and beautiful world filled with many different species of dinosaurs. You will be able to play as the most famous and most terrifying species of dinosaurs, the Tyrannosaurus rex. You will have to survive and hunt in the wildness of the island. You will be able to kill and eat other dinosaurs to survive, and you will have to fight other players in order to become more powerful.

You will be able to choose from a variety of different skills, and you will be able to experience different magic effects.

The game is based on real science, and it is based on the real history of the planet. It is the most realistic and best dinosaur simulator game on mobile devices.