Zenonia Fixed Applesauce (A fork) JIT required
Zenonia 3 F2P (the one with the green icon) won't work.
You need the Premium Edition:
It will stay stuck for a few minutes after the Gamevil logo, but it will eventually boot up. The same goes for ADVENA.
Zenonia 1 runs noticeably better.
Make sure to add the following options to your touchHLE_options (change it for other Gamevil Games):
com.gamevil.zenonia3: --landscape-left --ignore-gl-errors --device-family=iphone-3gs --fix-texture-min-filter --fps-limit=30
I think most of them are useless, but i would recommend to use the fps limit to gain the original experience.
Check out the credits to find the original creator of Applesauce and the creator of ZenoniaHLE.
I will try to fix the remaining bugs and loading times when I have more time. I was able to play up until the first boss, but I haven't tested any further yet.