[Q] Porting S5 cam help needed topic

I know its sounds absurd I'm trying to port the S5 camera to my aosp rom and since its a kitkat app I thought it would give me a parse error on jellybean 4.2 but it did not,Now my question is does anyone know exactly how to port the samsung framework or the libs needed to port the app please help I have downloaded the s5 framework gonna deodex soon I searched the forum but there is only one guide on how to port OEm apps