The croass-hair on a a mobile device is too often hard to see because it is white. Either -:How do I improve its visibility. Can you make it black? Solution please.

Can I increase map text and marginalia font size?. The present offerings are too small for use on a mobile device in an outdoor situation. If I can't, will you please, as a matter of urgency, put in place a function to enable the choice of larger font size. When you do so, make sure the sizing is not lost on zoom. From a professional cartographer.