The software is supposed to simulate the effects of drugs, like cocaine, marijuana, or to help you making lucid dream, or get rid of a headaches ...
If you're still interested, go on reading !
Step 1: Dowload the software.
Dowload here : EDIT : The right link : http://download.cnet.com/I-Doser/3000-2054_4-10396009.html
Then install it, you can already try i-doser with the two free samples that are included at the begginning, "content" and "alcoohol", you guess that it's supposed to reproduce the effect of drunkeness. For additionnal sounds, go on reading !