Select the arrow on the left side of your screen.

Tap on Settings (gear tab) on the upper right side of the pop-up tray.

Select "Connect to Facebook".

(a). If you don't have the app installed on your device, it will automatically open on your mobile browser.



(b). If you have the app and logged in, you'll get a prompt that looks like the image below (for first-time connections):



(c). If you have the app but not logged in, the app will prompt you to log in with your preferred profile.