Start buying the premium plugin where you have the responsive player option; after that you will have all the help that you need.
Please, don’t still posting questions if you don’t read what I say to you. First, read and learn how the plugin works!
You need a self hosted player, you can’t use the JW Player console. That has to be clear.
So, begin reading the sticky posts in this forum, you’ll find all the informations that you need; after that, I’ll be pleased to help you again.