The Windows Phone app which has gone free next as myAppFree app of the day is Sketch Me! Pro. It is an excellent editing app available in Microsoft store . It helps you to turn your photos into drawing, cartoons or sketch images in one click.
★ Different effects (black strokes, white strokes, pastel, pencil sketch, color sketch, cartoon, stamp, halftone, hatching, …)
★ Edge strength, and opacity adjustment
★ Contrast, brightness, saturation adjustment
★ Save or share the result with your friends