If you have made an in-app purchase and are still seeing ads, your purchase will likely need to be restored. To restore your purchase from within the game:
  1. Tap the Mahjong game screen
  2. Select the Options tab on the bottom menu bar
  3. At the bottom of the Options tab, select Restore Purchases
Another option to restore your purchase is to access your Purchase History within the App Store through this link.
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