Xperia Z5 Camera v2.0.0 Ported to Xperia Z1, Z2 & Z3 Series

Sony had pushed an update to the camera application on the Xperia Z5 series, which brought along a new UI and image processing improvements. This camera app has now been ported over to other devices in the Xperia Z series lineup. The app works unmodified on the Xperia Z3+, while there are ported apks for the others.

source: xdadevelopers