f-Who'sOnline allow you to know who of your Facebook's friends is online now without connecting to your FB page and/or activating your FB chat in order to see who is available.
You can also analyze the presence online status of your male/female friends only and know their current relationship status.
If you want you can also send a message to your friends directly from your Android app and without changing your online status.
f-Who'sOnline: A simple app to Enjoy yourself!
f-Who'sOnline: another way to live Facebook!