ePen provides calligraphic writing, ink painting and various painting functions, which contains brush sizes, stroke pressures, borders and background color options. Even more, ePen gives you the option to create personal stamps. In addition, the app accommodates knowledge of Chinese characters that allow you to have the insights into the evolution of Chinese characters, provide handwriting samples and scholar work gallery to learn well-known calligraphy, and also enable you to store all your work.