Both are included in the download file. The main difference is that the screensaver version doesn't put up a dialog at startup, and exits when you press a key or move the mouse. The program is so named because I could only create it after learing about Carl Jung 's interest in Mandalas, and realising that the patterns that I wanted to make had to work with a strong center point. There are some Mandalas online here . Just dig it.
Mandala has no use - it is entirely pointless beauty.
You can believe that this will make you a better person if you so wish. Version 4.1 has a couple of new colour schemes. See the release notes for more details. A Pentium or better machine with a graphics accelerator. This is standard these days.