Does the green dot on Facebook chat show when you are using FB thru your iPhone?

Just wondering if it shows a green dot by your name in Facebook chat if you're online and available to chat using your mobile phone or if the green dot only shows when you're on a computer?

Yes, it actually puts a small phone icon beside the green dot when your using the Facebook app.

Yes, it does show.

The green dot shows you're online and the mobile icon shows you're using mobile.