Is it possible to get XMB menus on PSP?

Hi everyone, I have recently dusted off my old PSP to give it to my 6-year-old for his birthday as his first games console. I want to load it up with a few Sega MD ROMs, with a nice interface so he can easily load up the games by himself, so I put RetroArch 1.7.3 onto the memory stick, hoping to use the XMB menu style, but the only options in the settings are rgui and none.

Is XMB simply not supported on the PSP? Or am I missing something in my install? Thanks.