I think that would be a good idea because you could help people at times without waiting ages for an answer, and it would be a nice feature but I think there is one thing I need to say is that maybe the chatroom can be added as an option for like $5 and the dev can buy it once and they'll get chatrooms! (For games they choose)
Was suggested sometimes... or better many times? Ah, yes.. so many times...
Let me quote:
As for the live chat here... I'm sure it is still under consideration, but it takes time AND enough people to monitor of course. Patience is all we can have here.