If you wish to disable things like Lua Scripts or Video Cutscenes, you can refer to the Project.xml file. Inside Project.xml, you will find several variables to customize Psych Engine to your liking.

i just try tu use addLuaScript() command, and i tried with my lua modchart tool (grooving modchart framework) and i dont know what happends exactly but i think it don't recognize the comand or ...