I created this thread about year ago [https://support.mozilla.org/en-US/questions/1421024#question-reply Make Firefox android default for google assistant, shortcuts], but I missed the last response by Paul. "If you search the Settings app for "default", you should see "default digital assistant app" as one of the results." Sorry Paul. I found the settings for the app with, but the app itself isn't the listed under apps. I was able to make Firefox the default, but in partnership with what? With Firefox as the "default", Google Assistant is deactivated.