There are a lot of tools such as spray guns, pencils, brushes, etc. So you can then make his art, even in different levels. The coloring of the contours so that is quite easy.
During operation, there is no great weaknesses or disabilities in the interface. The wealth of tools can overwhelm. An artist is only with this program not natural talent, it is no substitute, of course. But those who want to paint on the tablet or mobile phone, drawing, making sure to consult with the best.