[admin]

You can change game logo in game profile option (long press on game profile in browser). There is none mechanism for automatic logo download, due legal reasons…but you can add them manually.

For doom I like these two :

Doom by Dusko
Doom by Alex

Here is mgc file sharing section:

[ENG] *.mgc files sharing and themes

EDIT : I prefer using “Native 2axis joystick” instead moving with keys