For your camera to have the ''original android'' look, I suggest you use an app.
You can use Nexus Camera (free) Some time ago, I used Camera JB+, and I really liked it (paid)
(I would love to give you the links from the PlayStore, but since I am a new user I can't post links yet
Regarding the dialer.. on 4.1.2 this was possible using the JKay mod, I'm not sure if you are familiar with it? It is a theme modification. At this very moment, there is no JKay available for 4.3, but people are working on it.
I hope this can help you with your questions.