kills apps android 7.0

[Android Central Question]

why dose my android phone (Armour 2s 7.0 ) keeps killing my apps in the background

 

[ManiacJoe]

The most common cause is that your phone has a small amount of RAM memory and the foreground app wants more memory, thus causing android to kill some background apps to satisfy the memory request.

How much RAM does your phone have?
What version of android is it running?
How much storage space is on the phone? How much is free?