Sounds like the bug I reported last week: Answers list showing as questions[^] Judging by the icon, the fix is "in progress". :)
"These people looked deep within my soul and assigned me a number based on the order in which I joined." - Homer
They are just selection filters for general questions/articles etc. Not all mobiles are Android devices, and not all Android devices are mobiles. So it just filters items according to how they are tagged by the people who create them.