So, what do these people want? Force closing an app is completed the same way as iOS—swipe away the app from your list.
The trouble is that somebody can seem super nice when you chat to them online but their vibe when you meet them is that of an absolute douche.
And your friend has been pretty awful to you lately, constantly blowing you off for both him and her other friends.
Are you getting fired? Question answered and you live happily ever after.
This is one of the wonders of being an adult.
While definitely awkward, meeting the issue head on is a good way to solve it immediately without wasting a lot of time.