1) yes,http://www.hostonnet.com/ffmpeg_hosting.php support vShare requirements .

2) You can design the template if you have html knowledge.

3) login to admin area = > Site Configuration => System Settings => Service Type enbale packge

>>You can make a page in admin for customer support Web Pages => Add Page

4)List of vShare allowed file Types flv,3gp,mp4,mov,asf,mpg,avi,mpeg,wmv,rm,dat,divx

5) Yes, you can see the demo sites at http://video.bizhat.com/

6) yes hostonnet.com provide vShare Installation, Upgrade, Fix ,Contact - [email protected]