JoiPlay RPG maker plugin is an app that lets you add RPG maker XP, VX, and VX ace-based games support on JoiPlay or any other front-end apps. These different RPG maker types have their own functions. However, most of them have a similar work to create or mirror RPG games that you want. JoiPlay and the RPG maker plugin are different apps and have their own functions. So, even if you don’t have this plugin you can still run the RPG maker games. But by using all the functionalities of the RPG maker plugin you can do a lot more with your games.