Hi, I guess you gotta do what you have to do. Since Firefox for Desktop you can install all sorts of Extensions for Privacy there is no need for Focus. Firefox has built in Private Browsing from the 3 Bar Menu or Right click a URL. Adblockers that are very hearty and block sometimes to much but can learn and these extensions have all the functionality of using Focus : *https://blog.mozilla.org/blog/2017/06/20/firefox-focus-new-to-android-blocks-annoying-ads-and-protects-your-privacy/ As you will see in the following : *https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/ *https://addons.mozilla.org/en-US/firefox/addon/ghostery/ *https://addons.mozilla.org/en-US/firefox/addon/reminders/ *https://addons.mozilla.org/en-US/firefox/addon/noscript/ *https://addons.mozilla.org/en-US/firefox/addon/norton-safe-web/ Please try searching for what you would like or ask for help. You can use SuperAntiSpyware for more control over tracking cookies for the few that get missed or when have to run with out blockers : *www.superantispyware.com/ Run on demand, turn off at startup. Please let us know if this solved your issue or if need further assistance.

a private browsing mode with tracking protection has been available in desktop versions of firefox for years: [[Private Browsing - Use Firefox without saving history]]