Google Opinion Rewards - Answer Surveys and Get Free Google Play Credits to Buy Anything on Google Play

Google Opinion Rewards is an app by Google itself which can help you to get free Google Play credits by doing some quick surveys. And you can use the earned credits to buy anthing you want on Google Play Store.




Install Google Opinion Rewards here:
https://play.google.com/store/apps/details?id=com.google.android.apps.paidtasks