Powered by GoAnimate, is a way to easily create animations and slideshows. Domo Animate coming from the same family as GoAnimate and works in the same way.
Having signed up, go to Create Animation and then you have a couple of options. There is a slideshow option or the Domo Animation studio option. For both there are tutorial videos which are well worth watching to get a feel for how to get started and make the most out of the program. .