This review is mainly for the sandwich/deli portion. The sandwiches are a very good deal considering the price tag. They're pretty tasty, too. I had the Italian, and the lady making it was very nice. The offer a double meat/double cheese version for like $8, which is a steal. Seriously, you can eat well here for next to nothing.
As for other aspects of this market, it's more of a little bodega type place. Basic food stuffs, but nothing fancy or extravagant. Think beer and smokes, and maybe other convenience store type items.
A word on the clientele: this place is very often frequented by some of the more colorful residents of Fremont East. You might see a working girl on one of the corners nearby. Just keep your wist about you, especially in the later hours of the night.