A free program for Android, by Ze Game.

Burger Simulator: The Cooking and Serving Game is a fun and challenging fast food restaurant simulation game for all ages. The gameplay is based on serving customers and making them happy. In order to do this, you need to manage and run the restaurant, and make the food, drinks, and other items. You need to manage the kitchen, prepare the food, make the orders, and then serve them to the customers. The customers will be happy and satisfied with the service and the food, and they will pay you money. The money you earn can be used to upgrade the kitchen, add more ingredients, and increase the service speed.

You need to be fast and efficient in order to make the customers happy.