If you are looking for the best S7 Edge Port ROM with Note 7 UX for the Galaxy Note 4, you may want to try the Noble ROM.
Based on latest Android 6.0.1 S7 Edge SM-G935F firmware, Noble ROM brings you a fully “ported” ROM with full S7 Edge features.
Not only that, you will be able to enjoy the latest Note 7 UX UI along with a working Always On Screen.
You can install this on any Qualcomm-based Note 4 (such as SM-N910F) . For installation on T-Mobile or Canadian, make sure you flash a custom kernel with data fix.