When I click on the link in this screenshot, nothing happens if I am logged out (desktop or mobile). No errors, no nothing in the js console.
@phuedx updated description to answer your questions, but also here:
nothing shows up when clicking the link
Seems like a Gather bug. Here is what I see in the JS console when I open http://en.m.wikipedia.beta.wmflabs.org/wiki/User:Mr%20Selenium?debug=true&mobileaction=beta#/editor/0
Uncaught Error: Module not found: ext.gather.api/CollectionsApi