A free app for Android, by Tatem Games.

Carnivores: Dinosaur Hunter is a magnificent hunting simulation. You land on a dinosaur-inhabited world and become a sneaky T-Rex hunter. All dinosaurs are in 3D and roar!

– Choose from 7 enormous 3D environments (night vision on!)

– Place dinosaurs according to your abilities and tastes.

– Use camouflage, cover scent, or radar. 

– Hunt or observe with a camera

– Use tranquilizers instead of bullets to kill your target

– Beat your Survive Mode score

This game is available to play for free, but you can buy extras with real money, which will be deducted from your Google account. Device settings can disable in-game purchases.