Jailbreak help :) (Emulater) iPod touch (5 * BEST ANSWER)?

i Downloaded this emulater called Snes9x EX on my jailbroken ipod, my friends say its awesome. But im lost Cuz i dont know how to get games. it says something bout SHH transfer. Im just wondering if i can get some advice, step-by-steps, or links(try and avoid links please) on how to get some games on this thing. (iPod touch 3g 4.2.1)