Red border is flashing while opening or closing an application in nexus 4

[AC Question]

While using my phone while opening or closing the application in the phone red light border is displaying on the screen , It is an OS problems or the phone , For this what can i do?
Can any one suggest me for this problem ..

 

[STARGATE]

I'm not sure I understand the issue.
Can you take a screenshot or describe the issue with more detail?