In these days, the market size of the global handheld computer is valued over 31.7 billion euros.
In particular, along with the increasing demand on non-face-to-face purchases and payments due to the COVID-19, handheld computers and Enterprise smartphones, which are able to form big data, are used in various industries including retail, transportation and logistics, healthcare, and food service. The vast amount of data collected from each industrial field can be used for numerous purposes such as inventory/order/sale/field service/manufacturing/customer-care/patient management.