Is Firefox focus open source?

Related questions

1. Does Firefox block cookies?
2. Does Firefox focus block cookies?
3. Is Firefox actually private?
4. Is Firefox focus really private?
5. What does Firefox Focus do?
6. Can Firefox focus be tracked?
7. Can you open multiple tabs in Firefox focus?
8. Does Firefox focus block ads?
9. Does Firefox focus have tabs?
10. What's the difference between Firefox and Firefox focus?

Tags

1. #december
2. #focus
3. #tracker
4. #available
5. #source
6. #android
7. #firefox
8. #focused
9. #mobile
10. #released
11. #initially
12. #application
13. #tablets
14. #mozilla
15. #privacy
16. #browser
17. #blocking
18. #devices
19. #smartphones