Your email to send the ISO file and you custom distribution name.
Your distro's browser default homepage and search engine.
Does your distribution needs 32bit support. Default is 64bit.
Choose the default theme that you want
Enable or disable system features in your system.
Select 3rd party softwares to be installed on your system.
Upload a Logo for your distribution
Upload a Wallpaper for your distribution
Custom files to be kept on your desktop (archive).