Browse like no one’s watching. The new Firefox Focus automatically blocks a wide range of online trackers — from the moment you launch it to the second you leave it. Easily erase your history, passwords and cookies, so you won’t get followed by things like unwanted ads. “Private browsing” on most browsers isn’t comprehensive or easy to use. Focus is next-level privacy that’s free, always on and always on your side — because it’s backed by Mozilla, the non-profit that fights for your rights on the Web. AUTOMATIC PRIVACY • Blocks a wide range of common Web trackers without any settings to set • Easily erases your history — no passwords, no cookies, no trackers BROWSE FASTER • By removing trackers and ads, Web pages may require less data and load faster MADE BY MOZILLA • We believe everyone should have control over their lives online. That’s what we’ve been fighting for since 1998.

Make sure that third-party apps are allowed on your device: go to Menu->Settings->Security-> and check "Unknown Sources"

Tap the APK file. Allow the app any required permissions it asks for. Then, at the bottom of the installer window, click INSTALL.

You'll see a confirmation the app is installed. Now you'll see the app available in your list of installed apps.