For its second outing on PSP, Madden NFL 07 refines the action,
controls, and visuals introduced in 2005 while retaining the handheld's
core play modes. A new emphasis on the running game has players
controlling the lead blocker and creating holes in the defensive line
for the tailback to run through. Players also have the option of using
the left shoulder trigger as a shift button, effectively doubling the
functions associated with the face buttons to address the PSP's lack of a
second analog stick.