I need to test new widgets reverting all settings when I kill process from QtCreator. When application will be ready for store I will save the list of widgets on edits, like it's happening for widgets' positions.
When I started the project I had in mind to prepare a sort of framework for widgets, and I have invested more time to let everyone code widgets and easily add them to the application without having to rebuild it (a sort of plugins). Since there was no widget created and everyone is expecting also widgets from me I have changed the plan and decided to publish the app at Ovi Store, that's why you see the expiration screen.