see that you accidentally purchased the app “Cycloramic for iPhone” from App Store. I am sure we don’t like to pay for unintentional purchase. Not to worry, I'll be happy to help you with that right away.
Nichakorn, I’ve reviewed your case and am issuing you a full refund for the unintentional purchase.
Within ten business days, 1.99 USD should be posted to the payment method used to make the purchase. If you have not received credited amount after ten business days, I would suggest you to contact your financial institution.
For your information, the iTunes Store provides a warning message that asks if you’re sure you want to buy an item. This warning can be turned off. If you’d like to make sure that this warning is on, you can reset the warnings by following the steps in this article: