Open the Google Wallet app. Tap on the Add to Wallet option, in the bottom-right corner. Hit New credit or debit card. Either scan your card using the camera, or select Or enter details manually.

There are gift cards available for nearly any major store under the sun, and that includes the Google Play Store. The Google Play Store sells music, apps, and more, to anyone with an Android phone.

Users can purchase these products by adding funds to their Google Play account or using their credit or debit card, or linking their PayPal account. You can check your Google Play balance by using ...