Foot pedal functions

I would like to see the foot pedal functions be upgraded so that we can select folders. Suggestion: In the stopped play mode, Press both pedals together the trigger the folders. The left to advance from folder to folder, or right to go the other way. depress again when the folder is found. then depress the left pedal to advance to the next song etc… maybe the left button to g backwards.
Can this be done now, or could this function be programmed in?
Love to hear from you