User Interface
The User Interface (UI) used the Android Things/Android Development Platform. For, the terminal.
The design of the user interface ; used the android things platform, to achieve a user friendly interface. Android things, is a platform that utilizes the Android mobile app (framework), a product that is implemented on the android things design; has many advantage over other devices.
Android things offers both support for the android framework and Linux kernel updates, their also have a System on Module support, these gives developer freedom to enter the market with their Android things devices, but the entry level to this platform is quiet high. Most of what is discussed here can by found on the Android developer website and an easy explanation to it can be view on YouTube.
With the growth of Android devices on the market, the shoppers may be familiar with; android things framework, because it uses the same user interface as their mobile apps (Applications) which anyone with an android mobile device is familar with, so this design aims not to complicate things, for the shopper.
The terminal and the companion mobile app used the same user interface layout and resources that makeup the user-interface.