Thread:Qwertyxp2000 the second/@comment-28858167-20160821013731/@comment-24577221-20160821163418

That button appears to the bottom right of the gallery when the page is displayed in a web browser. The device shouldn't matter.

Do you have a JavaScript blocker running? A number of the wiki's features won't work properly if you block scripts from wikia.com, wikia.net, wikia-beacon.com, and/or nocookie.net. That might also account for your problem in changing your avatar picture.