If you use Facebook for Android, you should totally update to the latest version 10.0
This new version comes with the ability to like posts, comments, photos and pages even when you’re not connected to the internet. Once your internet is back up, Facebook will sync your offline likes.
Also included in the latest update is the functionality to untag yourself from photos either by you or friends, a feature previously available on the mobile app. And you know, those posts you commented on ages ago, have forgotten about, but still keep getting notifications? Well, you no longer have to go to the web to turn them off, you can now do that right from the app.
If you haven’t been notified yet, you can do a manual check and update from the Play Store