I know there are already modified TouchWiz 4.4.2 launchers up to 5x5 or more. Look in development (non-original) and in Themes and Apps.
There are one or two flashable scripts to debloat ND8. I'd have to search for it myself.
[BATTERY] Plasma Battery! v2a 🆕🆒🆓 & wickeddecimalbarwide_colors
Charging still shot
n00b-xda-disciple's Wicked X Video review
Sent from my Sprint Samsung Galaxy SIII on TouchWiz 4.4.2 with Conquest: Singularity v5.2, Ktoonsez' latest kernel and the latest Philz Touch Recovery.