Episode 4 of Candy Crush Saga is called Chocolate Mountains. It features a Yeti that has fallen asleep. The Yeti character can be found at the top of the Candy Crush Saga screen. He is the icon to click on if you want to view the Yeti Shop.
The Yeti Shop, of course, is where players can use real-world money to purchase packages of Boosters that will help them to complete difficult levels. In other words, Chocolate Mountains an advertisement for Candy Crush Saga’s shop.