What American voters expect a Black President to do during the presidency?

What we voters in the United States expect our elected President to do during his historical presidency? Commenting about rap/pop singers argument to cause traffic jam on Internet?
Let's list out the To-Do List to keep him busy on what is important to us.

Is it power balance system under democracy system really cause the President of the United States can not do anything about public policy making decision to improve most of people's lives? Then, does this democracy system worth it or has value.

Power balance system in democracy is really a group of teams making real decision for a country and to make the President of a country to be looked very ugly. They are too scary powerful.