More Stickers For Your Journal
Every day you get on world of zoo and write in journal you get new stickers with different colors to change color just tap and hold to get a different color.
More Stars and More Animals
If you have any of the mini games, play them repeatedly get a lot of stars.
Get Stars Easily
If you have a the big cat place and you got a game from it play it for a long time to get more stars, sometimes if you get over fifty you get 9 stars or more.