Flybox Plugin

I am looking for a plugin equivalent to
The wp-flybox is free and hence there is no support. It is not responsive either.
Can any one suggest a plugin with the same functionality and also responsive?

I can modify the plug-in and perform the changes you need with an additional fee, if you’re interested in

Which plugin? and what will be the cost? How long will it take?

Please, contact me then we can discuss the details