"e" has released his e[mulator] version 0.80 Beta 3. e[mulator] for PSP is an emulator which combines e¡¯s own eSwan with HuE together. eSwan is an emulator for WonderSwan on the PSP, and HuE is an emulator for PC-Engine on the PSP. Here are the details of this release:

It seems some of the problems in WonderSwan emulation have been fixed.
The emulator now can even save state when using zipped ROMs

Front Mission is finally running now.
It was not playable on the oSwan.