I am wanting to use OpenStreetMap on my tablet in an app called Oruxmap. What I would like to do is change the color of the background and roads to something that is easier to see in the sunlight. If possible I was also wanting to either make the roads appear slightly larger. I am using the basic map now in my side by side and seeing the roads is a bit difficult at times.
If someone could point me in a direction to start I would appreciate it!