How do i get an icon back on my phone

[AC Question]

I accidently deletd the button On my phone that takes me to all my apps and now i cant seem to figure out how to get it back.. I have an metro pcs lg k 10 some one please help me.

 

[Thacy]

Long press on Home screen and try to find the button on gadgets, or you can install a launcher app from Google play store, like Go Launcher.