Yes you can install the apk. It's just a reworked stock google android camera apk. Open it up and have a look. Don't forget to set permissions. Works on slim based rom as normal but not tried on omni rom.
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?