You can also make a portable Live CD with NGEL into it, alongwith remaining space useful.
For example:- If you have a USB of 8GB then remaining 6GB can be used to save your data alongwith NGEL into it.
For this you need to first download the NGEL ISO file from here.
And then download the tool Universal-USB-Installer
Run the tool and select distribution “Unlisted ISO with GRUB”, select iso image, and select USB drive and create the image.