Private buses are using hard disk in their buses

In order to competite with boom tv.
Private buses are using the systems like hard disk with a operating systems.
This operating system can play only the media files.
It is one of the best idea.

SETC buses showing boom tv

Boom tv is launched in tamilnadu setc buses showing comedy,drama
How it works?
Airtel has made this project sucess. They make an virtual os and allocate some memory space in the television and acheived it.