Samsung Galaxy S support.

If you're unhappy with a paid app, you can request a refund within 15 minutes of buying it. Your credit or debit card won't be charged and the application will be removed from your phone.

 

To get a refund:

1. On the homescreen, tap Play Store. You can also access Play Store in Applications





2. Tap Menu then My Apps





3. Tap on the app you want to get refunded. The app will open





4. Tap Uninstall. The app will now be uninstalled and the charge cancelled





5. To confirm, tap OK

Note: You can download the same app again, but you won't be able to request another refund.