@Ben

of course. server side is PHP. client side is using Pharo. data format using JSON(NeoJSON).
PHP code is receive JSON data using "post stream". and managing data with mysql(mariadb)
thanks to your interesting. i want more usefull Pharo to my work. but my Main business is complex. maybe cannot now.
and.. you interesting to korea then look this service. contents is free. can look. of course english. (it's my service. for forigner)

* http://www.lookandwalk.com/en/main/home

after can then Pharo using for my service. but can not find use now.

and.... im already "SMALLTALK-80/The Language and Its Implementation" draft translation to korean. but dont have time. cannot study now.

* http://trans.onionmixer.net/mediawiki/index.php?title=Smalltalk80LanguageImplementationKor

after have a time then more deep study to Smalltalk. i wish.

@Stephane

of course. but multi lingual is perfect. Im using Korean Font in Pharo 5(alt 64bit) with 64bit linux.

* NanumGothic(http://www.ffonts.net/NanumGothic.font)
* NanumGothicCoding(https://github.com/naver/nanumfont/releases)-fixed type

this font is Free.

maybe Pharo Using XIM now(fcitx). input and look korean is very beautiful. dont worry. and "Really" Always thanks to Pharo developer. have a problem then report to community.