Some of the features of Galaxy Note III are exclusive for it like Air Command feature, but now folks over XDA Forum has developed a MOD which gives you most of the Note III features for your Note II:-
- Air Command
- Pen Window
- Screen Writer
- Action Memo
- Note 3 TouchWiz Launcher
- Safety Assistance features
- S Note
- S Planner
After installing this MOD you will be able to get almost all features which are available for Note III, some users had complained that some features were not working like one handed operation on many screen is not working, Samsung Keyboard forces to closes sometime while using S Pen, and Air View appears twin in settings.
Before flashing your device make sure you had backed up all things and this MOD will work only on Android 4.3 based ROM for the Note 2 with MI6 build.
How To Get Note III Features :-
- Flash This Mod ROM v3 :- Download
- Flash this file to get rid of the FC on launcher when you try to change lockscreen wallpaper :- Download
HOW TO ACTIVATE AIR COMMAND :-
Navigate to Settings -> My device -> S Pen -> Air Command
As this is an custom ROM so you might face some bugs and crashes, if you want to enjoy Note III features on Note II then you have to bear this bugs.
Related :- [How To] Root Samsung Galaxy Note III