Holo Launcher is a highly customizable launcher replacement based on the stock KK Launcher. But you can run it on Android 2.2+ Basic Version is completely FREE.
This Modified KitKat Home is based on Holo Launcher Free version 2.1.1. This is for users like the simplicity and ease of use of this Lightweight Launcher.
Download KitKat Home (Dev-Host, 828 KB CWM Zip)
Download KitKat Home (Dev-Host, 712 KB APK)
Download Android 4.4 Mountains HD Wallpaper
Download the zip file and place it in SD Card. Go to CWM. Install zip from sd card.
Download the APK and Install as Normal App.
To get 5x4 Grid on Drawer:
Go to Launcher settings >> Drawer settings >> Portrait grid and set Rows: 5 Columns: 4