Edit a joomla component or create plugins to have other features -- 2

Hello, I bought the VM Affiliate component. (Http://[login to view URL]) I would add functions because it is not totally as I want. For example, it can be coupled to the Invitex component. And other functions. A few years ago I had a component made with the functions I want but it is in joomla 1.5. (Details Attached in ------- New [login to view URL]) Now I have bought a component in joomla 3.X but the functions are different. I am attaching both the components with this document so that you can have a look: 1. The first one is the one in joomla 1.5 with the functions I want ----- “[login to view URL] “ 2. The second one is the one in joomla 3.0X where I want the functions of the previous one to be implemented. ----- “VMA 4.5 for J!3 & [login to view URL]” Our site [login to view URL] Read the Description Carefully and then [login to view URL] will be considered [login to view URL] You