wait how did you find that?
AssetStudio to inspect textures and UABEA to change them (can probably change the trail but thats hard)
also you can check my tutorial on this (thats another game but thats actually the same process):
so you can have a custom cosmetics in pogo3d like mirrors edge cosmetic mods? thats sick
hm… i have recolorable player models in jumpchat. i wonder if I should add this to paid pogo3d