There should be a quit button
There should be a quit button and settings to clear private data on exit like the normal android Firefox browser.
Additional System Details
- User Agent: Mozilla/5.0 (Android 9; Mobile; rv:68.0) Gecko/68.0 Firefox/68.0
I don't have this app, but found it in the code: https://github.com/mozilla-mobile/fenix/blob/6c30a940817fc3af08407cc5f19091f00a0137cb/app/src/main/java/org/mozilla/fenix/components/toolbar/BrowserToolbarController.kt#L195
It's also on the GUI prototype: https://mozilla.invisionapp.com/share/4BTIO3EECQU