For users stuck with Android 4.1.2, the only viable "review" left to give is for the web version.
While there isn't a single official "Facebook version 412" specifically built only for Android 4.1.2 (Jelly Bean), the standard Facebook 412.0.0.22.115 APK is a modern release from Meta. For older devices specifically running Android 4.1.2, users typically rely on the Facebook (Android 4.1+) variants which are optimized for legacy API 16. The Story: The "Unkillable" Jelly Bean Phone facebook apk for android 412