MobileNAV ensures online and offline work for typical out-of-office ERP activities, like sales, service and project management. Furthermore. You can open the Microsoft Dynamics NAV Tablet client or the Microsoft Dynamics NAV Phone client by using a browser from a device that has a network connection. Opening the Microsoft Dynamics NAV Tablet client or the Microsoft Dynamics NAV Phone client in a browser can, for example, make it easier to test your. Developer and IT Pro Help for Microsoft Dynamics NAV Development Developing for the Microsoft Dynamics NAV Universal App. This is not possible in either Microsoft Dynamics NAV Web client or Microsoft Dynamics NAV Tablet client. In the following documentation, you will see.