"So, Hooolm, are you going to update your Theme Chooser themes for KitKat ROMs ?"Yes and/or Maybe.
"What's keeping you?"It depends what direction the major players like CyanogenMod and AOKP take with KitKat. As it stands, most of my Theme Chooser themes are useless with CM11 et al, because the KitKat battery icon isn't composed of images, but generated via code. That code is unreachable via the Theme Chooser, and so are the /layout XML files that might allow me to change the references back to what it was before.
I flash CM11 nightlies on my HTC One to keep track of what's happening, but until at least that changes, I see no point in trying to adapt something like Freehand or LEDed to KitKat.