Stateside processing of family unity hardship waivers does not change the law -- only Congress can do that. What it does is strike a common-sense balance between rigorous enforcement of the immigration law and the need to keep America's families safe and together.
The Dream Act, of bi-partisan interest, focuses on students who were brought to the U.S. as children, some as infants, by parents who entered the U.S. without inspection or remained unlawfully after their period of lawful admission expired.
It should be evident that almost no immigration benefit is a simple matter of filling out forms. Attempting to go it alone without representation of an experienced immigration attorney could cause irreversible damage.