Check your email, I just got the following:
Subject: Just for you: $5 Google Play credit for games, movies, music and more
With millions of games, movies, songs and books, you're sure to find something new and fun on Google Play. Click the button below, and your $5 credit will automatically be added to your account.
Good for one $5 Google Play credit. Not reloadable; no cash value. Code must be added to a Google Wallet account by May 27, 2015. Once added, credit must be used on Google Play by May 27, 2016. Credit may not be used for certain devices and subscriptions. Offer good in USA only. Must be 13+ years old, US resident, have Internet access, and have or activate a Google Wallet account. See Promotional Balance Terms for more information.
