Purchasing Applications - Sony Xperia User Manual

Google Play appears.
If confirmation appears, follow onscreen instructions.
Tap paid application
Application is downloaded and installed.
Purchased Applications
Payment
Pay only once. Redownloads of uninstalled applications are free of charge.
On Other Android Devices
Install an application on any Android device under the same Google account for free.
Requesting Refunds
Refund is possible within a limited time. By requesting a refund, the application is deleted
and the charge is cancelled. A refund request is valid only once per one application.
Flick right from the left end of Google Play window
REFUND

Purchasing Applications

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Tap amount Follow onscreen instructions
My apps Tap application