My custom application and other default applications such as small part and Address Book do not appear in the left navigation menu on mobile and iPad view
Using version 20.1.20201005
Please note that not all applications are equally suitable for mobile viewing.
In “Developers” only ask questions that are really put to the developers.
User questions please => English.
There was a small bug that prevented the shared apps from being displayed:
As a workaround until the next update you have to click a second time on the tab.