App issue (3)
I believe the answer is:
bug
(Other definitions for bug that I've seen before include "Secret listening device" , "Tap" , "It's snug in a rug (3)" , "Hidden microphone" , "Software fault" .)
I believe the answer is:
bug
(Other definitions for bug that I've seen before include "Secret listening device" , "Tap" , "It's snug in a rug (3)" , "Hidden microphone" , "Software fault" .)