Happy ZOO is a free arcade game developed by Ollie Games for Android devices. The game is designed for animal lovers who want to experience the joy of taking care of animals. In this game, you will be able to develop your own zoo, discover new animals, and feed them.

The game is easy to play and has simple controls. You start by building your zoo and adding animals to it. As you progress, you will unlock new animals and items to decorate your zoo. The real fun begins when you start feeding the animals. You will need to feed them the right food to keep them happy and healthy. The more animals you have, the more challenging it becomes to keep them all fed and happy.

Overall, Happy ZOO is a fun and addictive game that will keep you entertained for hours. With its cute graphics and simple gameplay, it is perfect for animal lovers of all ages.