Currently I cannot find a help article or a way to add a user as an admin to my WorkApps. The only option I see is to Transfer Ownership. I need to be able to allow backup users to modify allowed users on our app. I know we can use Work Groups, but again, I only see the option to Trasnfer Ownership and not add an admin.
The only solution I see is to have this other user create a Work Group and add this Work Group to a Role on WorkApps. I understand this is not complex, but it really shouldn't be this dificult to allow somone else to allow users on a WorkApp.