Samsung Galaxy S6 is a great phone but not all of us can upgrade to a new model. Note 3 Neo ROM with Samsung Galaxy S6 is now available on XDA and it works flawlessly.
Settings with air command included on S-PEN
Gallery white with Album mode fixed text remaining data mode to fix
SMS Lollipop Dainty
Contact app
S-Note from Note 4 ported
New SystemUI with new style + icon lollipop
New lockscreen s6 style
Added theme support on settings
Updated Google Play , Play service , Samsung Account
Added sketchbook
Samsung Gapps S6 extracted from System stock s6 G920F
Complete wallpaper stock s6 (include new wallpaper)
New icon HD from stock s6 (without borders black or cropped)
New Lockscreen S6 style
New Touchwiz launcher with folder + text color fixed
New Settings S6 Style modded
New Clock app style Lollipop
New calculator lollipop
Samsung Keyboard Lollipop finally fixed implemented
New Framework lollipop style
New Samsung Galaxy S6 Audio (Ringtone , Ui , Notification) extracted from system stock s6
To install it, place the ROM into the root folder and flash using CWM or TWRP for Note 3 neo. Flashing will take a while and soon your system will boot up.