What sort of phone are you using? What app (if any) on the phone are you using? What sort of thing are you trying to edit (add extra detail to things already mapped, draw new things, and if so what sort of things)?
What sort of phone are you using? What app (if any) on the phone are you using? What sort of thing are you trying to edit (add extra detail to things already mapped, draw new things, and if so what sort of things)?