Thank you japanese will be included in the 0.8.2 release. Just click on /root/my-roxapps/Rox-Right-Clicks and it should rebuild the menus for you. If you then want to remaster with the links included you should include everything in /root/.config/rox.sourceforge.net/OpenWith in your new release.
I am new to this localising stuff. Please can you confirm that this code detects your locale properly
ENVIRONMENT_LANG=`echo $LANG | sed "s/\(..\).*/\1/"` #detect environment language
case $ENVIRONMENT_LANG in
jp) export LANGUAGE="japanese" ;;
*) export LANGUAGE="english" ;; #english for contries without translation
I think the icons came from zigbert and they were included in the first 4.2 alpha by default