I see from your email that you didn’t receive an in-app that you recently purchased. I know you did not want to pay when did not received. I am happy to help you.
Nattapon, after reviewing your case, we determined that issuing you a refund for your purchase of “Pile of Points.” You’ll see 19.99 USD added to your store credit balance within 10 days.
For instructions on how to check your iTunes credit balance, see this page: