Hello NicolasJ..   Basically GSAP can animate any object and property.. so all you need to do is setup your page so it can accept multi-touch events using hammer.js or some other JavaScript that will add the events for muti-touch events.   Then its just a matter of adding your GSAP code inside those event callbacks to animate what you want   hammer.js - A javascript library for multi-touch gestures: http://eightmedia.github.io/hammer.js/   Once you have the support for mutli-touch event