You can Now try out the latest App version of Facebook For Android version 22.214.171.124.12 Alpha Build. This Alpha version will show you what Facebook is preparing for you, take a sneak peak at the new features and User interface changes. Current Facebook stable version is 13.0 and Beta version is 14.0 and you can roll back to the official version or beta version at anytime via Play store.
Facebook version 15 packs many UI changes, lots of bug fixes and performance improvements. So you’ll be running a version that is supposed to be released 3 months from Now.
After downloading the latest Alpha build, Facebook suggests turning on automatic updates as it plans on updating the app a few times a week. Doing so will ensure you’re always running the latest version. The APK file provided below is the official APK from Facebook ALPHA program and hasn’t been modified.