The browser application is so secure and even has options to disable screenshots when private browsing is turned on.
The Firefox Focus automatically blocks ads and have an option to clear browsing history and cookies either inside the app or through the constant notification bar that appears when the app is launched.
Firefox Focus can be used as a default browser or can be used manually and provides powerful ad blocking and more private and secure non-trackable browsing experience in a very small package. The Android version of the browser can be directly downloaded from the official Google Play Store.
