Spectrum Computing

I had a PS Vita and I'd like to use it to play Spectrum games.

Which emulators are the best options?

What kind of card do I have to use? (preferably with SD, as R4 cards do in NDS)

Retroarch has a Fuse version : http://buildbot.libretro.com/stable/1.7 ... tion/vita/

This thread may help : https://www.elotrolado.net/viewtopic.php?p=1745627900

All that said I don't own a ps vita