Check “My Account” in the Google Play Store for Unclaimed Free Items
Google tends to give away a lot of free stuff . Check the “My Account” section of the Google Play store on your phone from time to time to see if you have any unclaimed suggestions.
There are tons of ways to get free content from Google if you know where to look. Google Opinion Rewards , Chromecast Deals , Chromebook Gifts, and more. If you bought something and forgot about it, it may appear in the “My Account” section. You can also find some free bonuses that are redeemed automatically depending on which Google resource they came from. If you haven’t checked in for a while, it’s worth taking a look.
Tip: Check Unclaimed Rewards in My Account on Google Play | Droid Life