Scorpious,
Another suggestion regarding notifications. Sometimes while chatting, if my physical keyboard is out but i have not typed for a while, the screen times out to save power. At that time if i get a reply from the person am talking to (his/her chat is maximized and in the front) I do not get a notification.
It is problematic because one needs to keep checking if we got the reply or not. Ofcourse the obvious work around is to minimize the window when not typing, but adding a notification here would be more suited.

Is it possible to add that? Thanks