Sony’s Smart Social Camera has been integrated into the company’s Android 4.3 update for all Xperia handsets that have been updated so far. It will be a key part of Sony’s camera UI in 2014 and the ability for third-parties to integrate with Sony’s camera is a big differentiator from other brands.
There are still a number of 2013 Xperia handsets where we await news of an update schedule, including the Xperia C, Xperia L and Xperia M. If you own the latter two, then there is some good news for you as xperiaz2 from XDA has ported the Smart Social Camera for these devices.
This will also give you access to a number of Sony’s camera apps including AR effect, Social live, Info-eye, Motionshot, Timeshift Burst, Motiongraph amongst others.
You can install this port through CWM recovery, so your phone will need to be rooted. There are separate flashable zip files depending on whether you are running Android 4.1.2 (single-SIM Xperia M owners) or Android 4.2.2 (Xperia L owners). You can find more information and the download links here.