They shown this for demo and this video shows how the technology provided by Multimedia Mobile services is capable to enable any content or service provider to instantly delivering contents or services to any 3G enabled mobile phone.
No aditional software required like flash pluging, etc.

See video via youtube

I posted details about youtube mobile little earlier in my blog Refer this post.

As i feel its not so smotther as flash video shown by On2.

vivek