Could anyone create a memory editor, do we have direct access to the memory after jail-breaking?

A memory editor / searcher for iphone games and apps.

Some examples are

-For PC
*Tsearch
*Cheat engine (CE)
*ArtMoney

-For PSP
*NightPR
*CW Cheat

These are only some.

Is this possible for the iphone?

-Dual