As a user of the Tutanota calendar i want to have a view selector visible on each calendar view so that i can easily switch between the views and don't have to deal with back and forth navigation to see events of one day.
As an owner of an iOS device i want to be able to configure the Tutanota app as the default email app. When clicking on a email address (e.g. from address book or a mailto link) the Tutanota application should start and open an email editor.
As a Tutanota user i still want to be able to do certain write operation while i am using the Tutanota application in offline mode. These actions should get synchronized after i am online again. Such actions are: