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Somebody created a Facebook like UI for Friendica called Bookface (expand for pics&more info)
(i.postimg.cc)
Credits go to @kmh for creating this style. It comes in both a light and dark version (check the links for usage instructions).
If you don't want to fiddle with code and stuff, ~~loma.ml has already installed it server-wide~~*, and should be available straight away for new accounts (If not, go to Settings>Display>General Theme Settings and change it from there. Or follow the guide in any of the links above).
Edit: loma seems to require invites. But, while in german, joinfriendica.de allows you to join without an invite. It also has quite a bunch of add-ons too like bluesky, tumblr, ifttt, markdown, langfilter (filters the languages in posts/comments) and curweather (shows the current weather).
Most people like to have the phone app for socials, makes it easy to browse or keep on top of posts more convenient. Honestly, I can’t really think of any social media platform that isn’t app based for this very reason. Goals for success: make it easy to use, engaging, and have an app with a good UI.