Application keyboard shortcuts
You can also assign your custom application to Search+key:

[ Source: http://forum.xda-developers.com/showpost.php?p=26105269&amp;postcount=3 ]


Must be using either nova or apex launcher
Long press on home screen and select shortcuts 
Select activities (for whichever launcher you are using nova or apex) 
Scroll down and select settings
Scroll down and select Quick Launch (the first one) and it should create the shortcut icon on your desktop