If you want to add some advanced features to your element page builder based site, you can consider looking at element pack advanced image gallery widget.
Favorites are a Member’s Only feature, which you can access right now for FREE simply by creating your own account.
It’s that simple.
Did you see the other "Image - Gallery" addons like the
Advanced Image Gallery?
p.s. You can find these under the "More Like This" section on each widget/extension page :)