icon appearing on home screen?

[zaraki_kenpachi]

I created an apk that works as a client in which it connects to my computer that works as a server, being able to track the cell phone through the client and take a picture, but the client apk is appearing on that phone's home screen when I drag my finger down, How do you take it?

Samsung Galaxy J1 Mini
SM-J105B
Android 5.1.1

 

[Dannydet]

What?

 

[mikedt]

Well I don't take it at all.

 

[zaraki_kenpachi]

What?

https://imgur.com/a/nXPo1Ba

This null2 is the apk client, how do you get it off the home screen?