Display: Digital signage commercial displays such as Samsung QM55B or any other which has a web browser & internet connectivity.
Kiosk:
(1) Terminal with touch screen & thermal printer powered by Windows.
(2) Android device connected with thermal printer in Kiosk Mode.
PC: Counter terminal (any)
In an economical solution the PC at the counter can have an additional monitor to show the display content.
PC: Counter terminal (any)
Kiosk:
(1) Terminal with touch screen & thermal printer powered by Windows.
(2) Android device connected with thermal printer in Kiosk Mode.
Display: Normal LCD/LED monitor attached to the counter PC.
The architecture after this modification is shown below