Bonjour @ralabeat
dans recalbox.conf https://github.com/recalbox/recalbox-os/wiki/recalbox.conf-(EN)
## Demo screensaver parameters
## Include or exclude a particular system from the demo screensaver
## You may change the global.demo.systemlist key or include/exclude every single system
;snes.demo.include=0
## Set the session duration for a particular system
;snes.demo.duration=90