How to make charging and webcam preview simultaneously in tablets?

is it possible to make charging and to get preview two
webcamera simultaneously in Micromax p666 tablets ?

if yes means, which USB port hub support
its feature?

!](https://d2r1vs3d9006ap.cloudfront.net/s3_images/1336530/Sample_design_inline.png?1451279822)](https://d2r1vs3d9006ap.cloudfront.net/s3_images/1336530/Sample_design.png?1451279822)

Hello,

We are not familiar with your exact tablet, but our experience with other devices and of course our hubs, looking at this design it won’t work.

Thank you.