batocera main menu - SERP Analysis

https://www.reddit.com/r/RG35XX_Plus/comments/1augvad/how_to_open_batocera_menu_from_ingame/

https://wiki.batocera.org/menu_tree

https://wiki.batocera.org/emulationstation_overview

https://wiki.batocera.org/basic_commands

https://wiki.batocera.org/navigation

https://www.youtube.com/watch?v=ay59ud8UboI

https://wiki.batocera.org/ui_mode

https://www.youtube.com/watch?v=kQ_y4-zGdK4

https://batocera.org/

https://github.com/batocera-linux/batocera.linux/issues/13278