Which is the best SNES emulator for the ds

Which is the best SNES emulator for the ds?

SNEmulDS.

i couldnt play cronotrigger nor megaman X2 on it

SNEmulDS is good I'm using it currently.Check this compatibility list.
http://wiki.pocketheaven.com/SNEmulDS_Compatibility_List

is the psp snes emulator smoother?

Probably not, the DS snes emulator has been developed longer. Don't expect it to run every game.

i may try out something with an "eezi" if i recall for got its full name

You mean Snezzi DS?

yes,thanks