Nintendo 64 Emulator works slow on Samsung I5500 Galaxy 5

Games works slow.
EDIT:
I tested on Samsung I9000 Galaxy S and games works better.
Answer #1
Coz your hardware is slow mate: CPU running at 600Mhz is the minimum requirement.
http://www.gsmarena.com/samsung_i5500b-3371.php
sinfulandroid.com/showthread.php/7458-N64oid-(Nintendo-N64-emulator)-v2-4-1-(FULL)-The-best-Roms