By pressing X button on your controller, you can launch Kodi Media Center, aka XBMC. You can also access Kodi by pressing start and launching it from the menu.
To quit Kodi, Navigate to the lower left power icon and select "Power Off System" in the program, and you will come back to recalboxOS. Currently(3.3.0b17) using the "Exit" button may lock up your PI
The controllers are now supported in kodi, but if you prefer, you can use HDMI CEC or a smartphone remote application. More info on the mini how to [[Kodi on recalbox|Kodi-on-recalbox-(EN)]]