Farm candies and lollipops, fight enemies, deal with frogs, witches and merchants, buy things, discover places etc...
Start eating candies (for HPs) and buy a good sword.
Click the merchant's hat for 100 free candies! And the lollipop icon for low prices.
Defeating the Dragon you obtain (if you kill some unicorn) the Magical Horn to regain health during quests.
With a GMOOH potion you can visit other places like Desert, Sea, Cow Level
And in the Cow level you can obtain the Hord of plenty (x3 lollipops production)