E has released e[mulator] for PSP, version 0.80 beta. e[mulator] for PSP is a emulator which combines e’s own eSwan with HuE together. eSwan is a emulator for WonderSwan on the PSP, and HuE is a emulator for PC-Engine on the PSP. Here are the details:

What's this?

WonderSwan and PC Engine emulator
e[mulator] = HuE for PSP + eSwan

What's special?

PC-Engine SuperGrafx games may not be playable.
Sprite may not be displayed correctly too.

How to operate?

Secret. Try it on your own.