How do I purchase coins?
Click the "more" button on the home screen. The following page displays the number of coins in your inventory. Click on the "Purchase: button the right. This will lead you to the coin purchase page that outline various coin packages/bundles available for purchase. You cannot purchase coins in guest mode and can only purchase after login.
Please refer to the following article to learn more about guest mode: What is Guest Mode
Please refer to the following article to learn more about creating an account: How do I Signup?
Bonus coins offered when purchasing coin packages/bundles can be used like a regular coin. Coins offered during events and giveaways may have an expiration date. To read more about coins, please refer to the following article: About the types of coin