Mozilla plans to integrate an adblocker into Firefox Focus 9.0, which is scheduled for release next month.
Firefox Focus is a browser application for cell phones phones Android and iOS, and is designed with the aim of privacy of the user, without saving passwords accesss, blocking ad and content trackers.
In the current version of Firefox Focus, 8.1, the program browsing stops tracking scripts, which will cause some ads that require or contain tracking scripts to be blocked.
Mozilla in the upcoming version, 9.0, plans to add a full adblocker (ad blocking mechanism). The 9.0 version is scheduled to be released on February 12, 2019.