Portable Akvis Sketch V1402545 Link
In the "Artistic" mode, you can manually draw guide lines to tell the software which way the pencil strokes should go (e.g., following the curve of a person's cheek).
To truly sell the "hand-drawn" look, the software allows you to apply the sketch to various surfaces, such as rough paper, a brick wall, or corrugated metal. Understanding the "Portable" Aspect Portable AKVIS Sketch V1402545