Coins are used to purchase boosters to help you in the game.
There are some way to get coins!
1. Coins can be earned by beating levels and stages!
2. you can get it from the fan page event! leave a comment and survey is waiting for you!
3. you can collect it from your friends! Open your friends list on PC and click the coin button next to profile!
4. Also, you can purchase it as jewels!