It's not the SMB clone for Linux, it's a usage tracking service that Sony uses on their SmartTVs. I don't use it and I haven't noticed any functional difference in how my Sony Bravia functions.
From
Sony's Samba FAQ:
What is Samba?
Samba TV® is a service name of a third-party company, Free Stream Media Corp. (not Sony). Sony Visual Products Inc. and Free Stream Media have collaborated to offer interactive TV features and services with certain BRAVIA™ televisions.
Samba TV offers the following applications:
- Samba Interactive TV, an application included with the firmware of certain BRAVIA televisions.
- Hotlist, an application available on certain BRAVIA televisions.
- Spotlight by Samba TV, for mobile devices (smartphones or tablets).
- Spotlight Mobile for iOS™ mobile devices
- Spotlight for Android™ mobile devices