WARNING: EPELTECH does not take any responsibility for any damages caused by following this tutorial.
Samsung has released a new app to fight Apple´s Siri.
It is called S Voice and it is possible to download and install the feature on other Android devices running Ice Cream Sandwich. To do so follow these instrctuctions:
1. Copy and paste into system/app
2. Long press S-Voice.apk and press permissions.
3. Set them to:
- r-w
- r
- r
4. Reboot
5. Then in /system/app with root explorer and installing it like a normal app! (thx KonstantinKeller)
Make sure you have Untrusted Sources checked in the Settings app when installing this app.
According to iJailbreak, S Voice:
“it’s slow, takes much more steps to get answersand doesn’t recognize speech well”
The app was leaked by a member of the XDA-Developers forum as well as Flipboard for Android, another exclusive feature of the Galaxy S III.
You can download the S Voice file for Android here. Let us know if you tried it and if it works on the comment section below.
EPELTECH 
Useful post with such information. Hoepfully this will help everyone…