Mineraft Server Launcher is launcher to start Minecraft server. MSCL main goal is to simplify Minecraft server launching and terminate usage of terminal to launch Minecraft server. MCSL can start server change world from creative to survival and from survival to createve. And MCSL has .app file to start MCSl from dock.
MSCL has his own documentation on slavchik.net website. To open documentation you have a button in app but if you can't open app you can open documentation here.