Hi thanks for taking the time to read this

I am currently useing CoinOPS Next 2 Gems Plus which is brilliant to be honest but i wanted to add a few extra games to it under the console tab which i have managed to do if they are existing games from that console,,ie i can add paper boy for the genesis and get it to display and run. the problem i have it trying to add a game from a diffenrent console ie pc engine it will just not display at all I have tryed copying the files from a working console and changeing them to pc engine but not luck does anyone know what files i need to create, edit  or add to make it work

thanks for you help guys