Global Mobile Point-of-Sale (mPOS) Market Assessment, By Solution Type [Hardware, Software], By Connectivity Technology [Wi-fi, Bluetooth, Cellular Network], By Operating System [Android, iOS, Windows, Others], By Application [Sales and Payment Processing, Inventory Management, Reporting and Analytics, Customer Relationship Management, Others], By End-user Industry [Retail, Hospitality, Healthcare, Transportation and Logistics, Entertainment, Others], By Region, Opportunities and Forecast, 2018-2032F