mobile

I'm an absolute android nooblet. I'm coming from Windows Phone 8.1. I preordered my phone from Amazon and it is due next weekend. I'm trying to research Android/Touchwiz. With the WP OS you can set your screen background to Black or White. Black with white text or white with black text. After watching several hours of videos about this phone and the OS I always see a white screen with black text. I was hoping to find out if you can have a black background with white text as it saves globs of power on my Lumia 920.

P.S> I know I'll pick things up really quick once the phone arrives but if you can link me to and tutorials, guides, essential app list I would be very grateful.

Thanks for your time