First let’s test the mobile-only and mobile-exclude shortcodes to see if they are included with the plugin. No, they are not.
Now we install the Graphene Theme and test…
Oops, wrong Graphene Theme. It seems This Theme is all that is required for testing the shortcodes.
[mobile only] this is some text that should only show up on mobile devices
[mobile-exclude] this is some text that should only show up on non-mobile devices