ibus : Intelligent Input Bus for Linux / Unix OS ( http://code.google.com/p/ibus/ )
libphonenumber : Google's common Java, C++ and JavaScript library for parsing, formatting, and validating international phone numbers. ( https://github.com/googlei18n/libphonenumber )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a gentoo-playground
For Paludis use this rsync : rsync://gentoo.zugaina.org/gentoo-playground-portage
If you have a problem : ycarus(-at-)zugaina.org