A- Walk left
B- Menu
C- Centers view on person
D- Walk Right
E through L- Don't know
M- shows green exclamation marks to show people to talk to (buy photos, supplies, drinks, etc...)
N, O- Don't know
P- Starts/Ends Camera mode
Q, R- Don't know
S- Walk towards screen (down)
T, U, V- Don't know
W- Walk away from screen (up)
X, Y, Z, numbers: Don't know
"-", "=": Toggles through multiple objects/people in immediate area
Looks like most of the punctuation keys toggle.

Space Bar- examines objects