Xperia Z2 camera, media and phone apps ported to older Xperias (root req'd)12
From the set of Camera Apps, this includes Creative Effects, AR Effect 2.0.4, and Background Defocus 1.1.7. Media handling is represented by the Walkman and Movies applications, while the calling functions can be upgraded with the Answering Machine app.
Xperia Z, Z1, Z Ultra, and the like, you might want to give those a shot. Check out the source links below, if you are interested in porting some of the Xperia Z2 software goodies to your 2013 Xperia.It goes without saying that these ports are available for rooted devices only, so if you have a rooted