I want, that the Widget will be displayed better at 4x3
When you make the widget to a size of 4x3 it will display the days really small. It should be displaying the days like in 4x2, so that one day is big enough to display multiple events - not only one. I think it would be best to display 3 weeks there.
The whole month should only be displayed when it's a 4x4 widget.