We have many ways to buy gold coins, as detailed below:
  1. Sometimes there will be discounts, you can see and purchase them in the lobby;
  2. There is a lucky cat at the upper right corner in the game, click to enter to buy coins;
  3. In the middle of the top bar, tap "BUY" to enter the store and purchase coins & boosters.
Also, our game cannot connect to users' credit cards directly. All payments are made through the Google Play Store or iTunes Store. If you want to make purchases in the game, you can set the payment methods in the Google Play Store or in the Apple ID. For more information, please contact Google Play Store's or Apple's customer service.

Your enjoyment is our priority, so we're glad you're having fun on our games.