It appears that S Voice was only the first application to be extracted from the upcoming Samsung Galaxy S III. With the Pandora’s Box now open, all important and interesting goodies from the Samsung flagship have been ripped out and made available by the community for you to try on your Android-powered non-Galaxy S III smartphone.
Heading over to the source link below you will surely find something to your liking. They have Accuweather, stock analog clock, stock digital clock, video player, YouTube app, GTalk, FM radio, ringtones and wallpapers, all belonging to the Samsung Galaxy S III. Oh, and the S Voice application is already there and pre-cracked with a new build.prop file to fool the servers into believing that your phone is indeed a Galaxy S III.
Source: XDA Developers