Hi guys, i know that switchres does not work with Lakka… 
but my question is:
There’s a way to switch screen resolution on the fly like this OS, Retropie based: http://www.rgb-pi.com
Finally… switchres for lakka will be implemented? soon?
Many thanks.
Finally… CRTSwitchres work on rpi; many thanks to Alphanu. For more informations go here: