In Google Play’s left sidebar, click the “Account” option. At the top of the following page, click “Order History.” In the “Order History” section on the page that opens, you will see all your Google Play purchases. You can filter this purchase list by item types using the drop-down menu in the top-right corner.

When you make a purchase on Google Play, we'll send a confirmation email with your order information to the Google Account that you use when making your purchase. You can always see your order history on Google Play or pay.google.com.