Turbo Racing League joins the top free Android app this week at No. 8, according to research from Google Play. The car racing app from Pikpok is running a contest in which the top drivers can earn a piece of $1 million in prize money from Verizon.

Below, we’ve listed the top free Android apps of the week. The list links to Google Play’s research about the individual apps, including user reviews.

As part of Mediabistro’s Media App Summit which took place last year, we spotlight the top free apps every week–helping our readers discover, enjoy and analyze successful content.

Top Free Android Apps of the Week

1.  Facebook for Android

2.  Candy Crush Saga

3. Pandora

4. Instagram

5. Facebook Messenger

6. Hardest Game Ever 2

7. Skype

8. Turbo Racing League

9. Netflix

10. Subway Killers