Based on latest Android 4.4.2 NE7 firmware, Ozcan ROM brings you a ton of great S5 features along with AROMA graphical installer so you can choose which apps you want or you can even install none of them too.
Inside Ozcan ROM, you will find an S5 launcher along with dozens of great S5 apps including the latest S5 WatchOn, Group Play, Kid’s Mode, SHealth, Optical Reader, Story Album, S Translator, Browser, Calendar, E-mail, Keyboard, SMS, Music, SMemo, Calculator, and some more.
You will also get S5 font for your system UI, call recording, disable camera shutter menu, and Note 3 incoming call pop-up along with 4-way reboot menu. And oh yeah, my favorite is the particle-effect S5 lockscreen. And yes, you do even get S5 UI settings so you can get used to what the future of TouchWiz is becoming today, not when you upgrade your phone to S5 or S6 when it comes out.
Overall, Ozcan brings some great performance tweaks and every little S5 feature/apps imaginable to your GT-i9500 so if you are looking to convert your S4 into an S5 without buying one, give this ROM a try this week(end) and do let me know what you think!

Download:
No Gapps required (comes with it!)
To install, reboot into recovery, make backup ROM, wipe data/factory reset, install ROM, and reboot. (If for some reason you end up in a bootloop, reboot into recovery, go to Advanced Wipe for TWRP or Mounts & Storage for CWM, format/wipe /system, then re-install ROM.)
(First time installing custom ROM? See How to Install Custom ROM on Galaxy S4 first!)
Credits – XDA <— Please donate to the developer of this ROM or hit Thanks button on XDA if you like it, thx!
Extras:
Want latest Android L Preview Keyboard?  See How to Install Android L Preview Keyboard on rooted Android!
If you want some awesome audio, check out Viper4Audio FX MOD, which you can install on this ROM to enhance your music 100%.
If you want to run your apps in tablet/hybrid/custom DPI mode, see our Xposed App Settings guide.
If you want PIE Controls, see our LMT Pie Control guide.
Need to run apps that check for root?  Check out How to Run Apps that’s don’t run on rooted Android!
Q&A:
Q: The ROM is not booting!
A: Try formatting /system and re-install ROM, sometimes the system partition gets corrupt and you may have to try 2 or 3 times before the ROM boots.
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Galaxy S4 Reference
You will need a rooted Galaxy S4 to install all ROM/kernels.
NOTE: THE AUTHOR OF THIS SITE IS NOT RESPONSIBLE IF YOU MESS UP YOUR PHONE, PLEASE READ INSTRUCTIONS TWICE BEFORE TRYING IF THIS IS YOUR FIRST TIME TO ROOTING AND CUSTOM ROMS! 

First time to rooting and custom ROMs? 

Please see our Galaxy S4 Root FAQ FIRST!!!