Instructions
Click "Rescue Party" in the "Games" section. Wait for the game to load.
Locate your animals in the main game screen. There will be indicator bars under each animal that detail the animal's overall health.
Locate the "Food" bar in the indicators. If the bars are in the red the animal needs to be fed.
Click the "Store" option and a new window will appear detailing things you can buy.
Click on food items to purchase them.
Drag the food item from the item storage bar at the bottom of the screen and drop it in front of the animal. The animal will then automatically eat the food.