Both Samsung and HTC offer a series of settings that can give you significantly more control over your camera. White balance, shutter speed, exposure, and countless simple modes all combine to give you power over how your image will look before you snap your photo. Given the amount of engineering and money that goes into the hardware behind these cameras, it only makes sense that the software should offer more utility.
I use an app called Icon Changer (Play Store link here) to make the Phone icon look like AOSP. You'll also need an icon pack with the AOSP-style phone icon, and this one has it.
How To Make TouchWiz Look Like Pure Android On Your Samsung Galaxy