Some of the features brought in by the Android 5.0.2 update to the Samsung Galaxy S6 Edge include enhanced touch screen response, improved compatibility with accessories, new features added to the Photo Editor, interface enhancements in email and improvements in S Planner, Muziek and other proprietary Samsung apps.
This Android 5.0.2 update related to the TouchWiz ecosystem mostly. Moreover, the update has been spotted only in Netherlands for now and we are yet to see when it will hit the devices in the other global markets.