It would be desirable if the screen background colours could be selected. In addition to a dark mode, the entire colour spectrum should be available. If certain areas could be coloured, it would of course be even better.

The interface itself should be personally configurable by the consumer. Thus, individual areas could be changed in size and colour and moved or completely excluded.

The calendar display should also be improved. As an incentive, all existing calendar applications on the market should be analysed to create the best one.