Android Wikipedia app does not respect Wikidata statement value rank while the websites (classic and mobile) do respect it.
This page was tested:
https://cs.m.wikipedia.org/w/index.php?title=N%C3%A1rodn%C3%AD_park_%C4%8Cesk%C3%A9_%C5%A0v%C3%BDcarsko&oldid=19734156
The images of wolf and cat have a rank on Wikidata.
Screenshots showing the problem + Wikidata item (see rank on the third image of cat):