how can I set multiple premove in an game

I want to know that is this is necessary to download an app to set multiple premove

@Dabu1210 lichess.org/forum/team-welcome-keyboard/how-to-install-the-new-kb--multi-premoves-extension-2

@PiqiTheGamerDog said in #2:
> @Dabu1210 lichess.org/forum/team-welcome-keyboard/how-to-install-the-new-kb--multi-premoves-extension-2
it breaks lichess ToS and it is not working sometimes
try this (but no multipermoves)
www.youtube.com/watch?v=ns2bByb3UNA

Really thanks but I have already premove but only one