Once I found the best way to do it.
Each whdload games have a similar documentation with the RAM needed.
Tito did a great database to filter RAM requirement for whdload games :
(I put this link on the 1st post of this thread)
I have created a preconfigured environment to use TinyLauncher and a tutorial to create your CD compilation. You can download it on the first post of this thread.
If it is incomplete don't hesitate to report.