Just extract the quake3_data.zip to the root of your sd card. So the folder structure will end up like "sdmc:/ioq3/baseq3"
The 3dsx only works on the N3DS, and is not needed if you use the cia.
New update just released: https://github.com/masterfeizz/ioQuake3DS/releases/tag/v1.2.0
This update brings threaded rendering and 800px wide mode support (both N3DS only).
Basically runs and looks better now.
New update released: https://github.com/masterfeizz/Quake2CTR/releases/tag/v1.0
This update includes hardware rendering with 800px wide mode support and sountrack playback.
I feel like school, back when I was actually in school, was more entertaining though, because of how much I get to interact with people, hang out with friends, and other stuff like that. All I get to talk to at work is my boring coworkers lol