How do I purchase Stardust virtual coins?

To purchase Stardust Virtual Coins, visit the game’s Lobby and click on the green SHOP button in the upper left-hand corner of your screen. It will then take you to the Stardust Shop where you can choose from one of the daily offers. Select the coin package you want and then confirm the purchase on the following screen. Your iTunes (for Apple device) or Google Play (for Android device) account will be charged, and the purchase reflected on your monthly statement.