[Help] How i can edit region?

I need change ENG to THAI please help me!

just edit GUI.xml change to your language its take time..
here some example
http://i1079.photobucket.com/albums/...s2/Capture.png

What you use for this source!

its from gui>.xml

you can use notepad or notepad++, change all language or i give you tip, download thai client then just modified it only...