It's really not hard to use, you're clearly doing it wrong. You click chat, sign in and that's all you have to do. In fact, I've told you this before too.
It's 9:55 pm for me right now.
I added you to my ACCF friend roster and saved my game.
If I'm up when you get on the game and your on the 3DS, next time you'll see that I change my 3DS status message to say what I'm doing or where I am.