In-App Billing Pricing
At this time, you will be able to sell in-app items in your home currency, which is generally the currency of the country registered on your Google Play account. Learn more about prices and supported currencies.
You cannot set a price of “0” (free).
The refund policy for in-app items is set by the merchant. There is no ability to process refund through the in-app billing feature. Instead, users may contact you directly or via Google Wallet Merchant Center. You may grant refunds via the Google Wallet Merchant Center at http://wallet.google.com/merchant.For more information on how to refund customer orders, please read our help center article detailing steps for issuing a refund in the Google Wallet Merchant Center.
In-app item orders will appear in the order history in your Google Wallet Merchant Center account, accessible at http://wallet.google.com/merchant. At the moment, all in-app orders and application orders will appear in the same report.
Please also see the following: