Obi-Wan is here.
Wile E. can merely drop an order into a mailbox (or enter an order on a website, as in the Looney Tunes: Back in Action movie), and have the product in his hands within seconds.
Do eiusmod tempor incididunt ut labore et dolore magna aliqua.
The Force is with him.
An input mechanism to allow the user to interact with the phone.
The most common input mechanism is a keypad, but touch screens are also found in some high-end smartphones.