antimicrox : GUI used to map keyboard buttons and mouse controls to a gamepad ( https://github.com/AntiMicroX/antimicrox )
ips-pl : Perl script which is designed to apply an IPS patch to a ROM ( http://www.zophar.net/utilities/patchutil/ips-pl.html )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a raiagent
For Paludis use this rsync : rsync://gentoo.zugaina.org/raiagent-portage
If you have a problem : ycarus(-at-)zugaina.org