Singapore server is closing on April 27, 2017 (Thu) at 12:00 hours (UTC+8).  

Japan servers have updated to Armonia Episode 4. There are some changes to its UI skin, particularly the new mission info window (Ctrl + M). It seems like some buttons are not used though, since they are still in Korean even for Japanese game clients. I'd update the skin packs on this blog soon.

Japan - Armonia Episode 4 (2014-10-29) 229 MB
This includes Jin, Jane, Student President Ludin, and Berthe & Charles.

Related Links
Armonia Episode 4 Patch Notes
Armonia Episode 4 Teaser Site
Armonia Episode 4 Wiki