Is Kernel 4 preinstalled on NGELinux ?
Yes kernel version 4 is pre-installed on NGELinux, however the live cd is created with 2.6 kernel since all kernel modules are not available with Version 4.
When you install NGELinux from the script placed on your desktop, you will find on system reboot that your system has two kernel versions installed i.e. kernel version 2.6, the most stable release and kernel version 4 which is in testing as of now.
The after-install screen looks like below: