He is using the international version. This just gives you at look at what US versions could possibly have (or not have). According to the link with some tweaks, you can run this on your SGS variant.
http://www.youtube.com/watch?v=jikmv8czYKU&feature=player_embedded#]Watch LG's WP7S phone in action | MobileTechWorld
Install Android 2.2 / Froyo now on any Samsung Galaxy S in the world even if it's carrier branded | MobileTechWorld
http://www.youtube.com/watch?v=jikmv8czYKU&feature=player_embedded#]Watch LG's WP7S phone in action | MobileTechWorld
Install Android 2.2 / Froyo now on any Samsung Galaxy S in the world even if it's carrier branded | MobileTechWorld