[File: Src/Client/UserInterface/PythonApplicationModule.cpp]
#1.) Search:

if (!rkApp.Create(poSelf, szName, width, height, Windowed))

#2.) Replace with:

#ifdef ENABLE_SERVERNAME_FROM_SOURCE	
	if (!rkApp.Create(poSelf, ENABLE_SERVERNAME, width, height, Windowed))
#else
	if (!rkApp.Create(poSelf, szName, width, height, Windowed))
#endif

[File: Src/Client/UserInterface/Locale_inc.h]

#define ENABLE_SERVERNAME_FROM_SOURCE
#define ENABLE_SERVERNAME "Metin2 - Action Oriental MMORPG"