First install the NS Share Intent for Zoo plugin like you would install any other extension.
Once installed, navigate to Components > Zoo.
You will need to assign the newly installed element to your Zoo application. See http://yootheme.com/zoo/documentation/advanced/create-new-types";" target="_blank" rel="nofollow">http://yootheme.com/zoo/documentation/advanced/create-new-types starting at the
When adding the element to the application you can enable or disable the different social networks available.
Once assigned to the Zoo application you will need to add the element to the layout positions. See: http://yootheme.com/zoo/documentation/advanced/assign-elements-to-layout-positions";" target="_blank" rel="nofollow">http://yootheme.com/zoo/documentation/advanced/assign-elements-to-layout-positions
Now that the Share Intent element is installed and setup, there will be an option in the Zoo item edit view to enable or disable the social icons.