Google Opinion Rewards is a mobile app that allows users to earn credits by answering short surveys. These credits can be used to buy apps, games, movies and music on the Google play store. If you have accumulated a lot of Google Opinion Rewards credits, here are some top ways you can use them.

1. Purchase premium apps and games: With Google Opinion Rewards credits, you can purchase premium apps and games without having to spend any money from your pocket. These apps and games usually come with more features and extras than their free counterparts.

2. Rent or purchase movies and TV shows: You can use your Google Opinion Rewards credits to rent or purchase movies and TV shows from the Google Play Store. This is an excellent option for those who love watching movies and TV shows on their mobile devices.

3. Buy or rent ebooks: Google Opinion Rewards credits can also be used to purchase or rent ebooks from the Google Play Store. You can choose from a wide variety of categories, including fiction, non-fiction, biographies, and more.

4. Purchase music and albums: If you are a music lover, you can use your Google Opinion Rewards credits to purchase music and albums from the Google Play Store. You can also stream music if you have a subscription to Google Play Music.

5. Upgrade your apps: You can use your Google Opinion Rewards credits to upgrade your apps and get access to more features and options. This is an excellent option for those who use apps regularly and want to get more out of them.

6. Make in-app purchases: Many apps allow you to purchase coins, gems, or other virtual currency to use inside the app. You can use your Google Opinion Rewards credits to make these in-app purchases without having to spend any money.

7. Donate to charity: If you do not want to use your Google Opinion Rewards credits for yourself, you can also donate them to charity. In the Google Opinion Rewards app, you can select a charity to donate your credits to, and Google will donate the money on your behalf.

In conclusion, Google Opinion Rewards credits can be used in many different ways, and these are just a few of the top options available to you. With a little creativity, you can put your credits to good use and get more value out of your mobile device.