1. Host OS's Han/eng key is profer to perform

2. /etc/vmare/config file, add these command

xkeymap.keysym.Hangul = 0x0f2
xkeymap.keysym.Hangul_Hanja = 0x0f1

3. Reference

http://atmos.tistory.com/10

not yet, i don't know it perfrom correctly.