cleanmasterClean Master has returned to the top free Android apps list this week at No. 5, according to research from Google Play. The maintenance tool from KS Mobile lets users clear their personal information from their devices, as well as track and remove apps so that their devices can move more smoothly.

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.

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. Pandora

3. Instagram

4. Candy Crush Saga

5. Clean Master

6. Facebook Messenger

7. Super-Bright LED Flashlight

8. Snapchat

9. Netflix

10. Skype