title: How to hide any application in android device without rooting my device?
body: <p>I am developing an Android application. I want to hide any application icon (whatsapp,etc ....) in my android device and I want to start my application by pressing some numbers, for instance 456#. Is there a way to do this?</p>
  
  <p>I know how to hide my app icon but i want to search how to <strong>hide other application</strong> icon.</p>
  
  <p>Plz help me, thanx in advance.</p>