We use jQuery.draggable for drag and drop, which I don't think supports touch events. But there are more ways to add touch events to jQuery UI and in the end th

We use jQuery.draggable for drag and drop, which I don't think supports touch events. But there are more ways to add touch events to jQuery UI and in the end the drag and drop / plugin part is so decoupled that it can be replaced at any time. It's also the part we invested the least in so far, we wanted to have solid grid positioning and collision management first.