Because of policy updates, the NAV app may disappear from the list of apps after updating Android to its latest version.
If Microsoft were to update the main app, then this would affect all current users who are running fine on an older version of Android. Instead, as a workaround, Microsoft has shared this app version (3.0.3234) in the beta ring on Google Play Store, which is compatible with the newest Android versions for phone and tablet:
https://aka.ms/DynamicsNAVmobileAndroid13
Note: this app is working with all supported versions of Dynamics NAV, but as we are not able to properly test this app with your own on-premises installation of Dynamics NAV we are happy to hear your feedback – hoping the problem is solved. Please channel such feedback to Microsoft Support or add comments below.