Here are some very basic images of our menu interface (in the steps they should appear):
The menu is touchscreen, so it will be easy for old people to use.
A keyboard appears with simple functions when the user presses the "SEARCH" button on the previous screen.
Once the person presses the "BEGIN ROUTE" button, the main menu becomes transparent and the direction giver appears in a stronger colour/formatting.
Once the person walks past through the sensored checkouts, this screen pops up with the final payment information. If the person changes there mind they can go back through the check out and press the also press "GO BACK ".
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