ln.m.wikipedia.org and ln.wikipedia.org (resp. kg.m.wikipedia.org and kg.wikipedia.org) are a difference here.
What does "more or less" exactly mean? Screenshots highly welcome, though as it's probably up to each language community to define its mobile design itself I don't see a valid software bug report here, but "just" a request for help to edit some HTML/CSS/JS?

ln on www with colonns

compair with sw on www

Attached:

sw on www

Attached:

sw on mobile (as other languages to)

Attached:

ln on mobile

it looks as on www, but with two big empty/white fields. I made the red frames to made them more visible. This is not as it should be on mobile.

Attached:

Comment on attachment 11575
ln on mobile

two big white fields (I made the red frames to show them better).

Until now, the ln language community did not define its mobile design itself, as there is not really a community, only three people who contribute from time to time. I do not understand, why nearly all languages shows well (as example the screen shot from sw) in mobile, only ln mobile appears as on www with additional white fields (on the screen shot I made red frames around this fields).

So for ln.m.wp.org you should remove the offending "vertical-align: baseline" in CSS.
I don't see what is the problem with kg.m.wp.org.

So this really looks like something to bring up to the specific communities ("on wiki") because they can edit their frontpages: The frontpages have a talk/discussion page link at the top where you could bring this up.
Nothing to fix here in the MediaWiki software or the server configuration, hence closing as INVALID for Bugzilla (simply because we can't do much from here - this is community territory).