customisation help

[ehsaan]

hey guys i downloaded nova launcher and also metrostation icon pack, and i wanted to know if anyone knows how to put the nexus logo as ur app launcher button, as in the middle button on you homescreen adn when u press it all ur apps and widgets show, i incuded an image of how it looks from a youtube vid, so yeah does anyone know how to do it???

youtube link: http://www.youtube.com/watch?v=XILimbKgScE

 

[1088933]

Its a button you can get as part of a theme I would imagine, not sure what theme though.