GeniLax - Refresh with Sound. Listen to GeniLax (Genius and Relax) by earphone or headphone when you want to relax or focus (study, work at your desk or on a computer, while training for a sport, etc). (Please do not listen to GeniLax using your devices speakers. ). What is GeniLax? GeniLax is an app based on a technology invented by the late Dr. Kazumi Masaki (1916-2002).