42 Computer software development in the field of mobile applications; Application service provider featuring application programming interface (API) to build, secure, manage and deploy mobile applications; Platform as a service (PAAS) featuring computer software platforms, namely, mobile back-end-as-a-service (mBaaS), mobile application development platform (MADP), and mobile application management (MAM) platforms; Providing customized software services for others in the field of processing purchase order or access approval requests from multiple data sources, providing mobile-based personnel directory and collaboration software, providing event management portal to manage mobile application content, creating virtual tours, managing post-discharge care for hospitals and private practitioners, and mobile order management, product marketing, and bar code scanning