At your disposal are over a hundred different frames of all shapes and colours, among which some are very simple, and others more complex, while others have funny drawings.
As for the effects, you get three to apply: pen, pencil and pastel. However, each includes a good number of options to modify and change however you like, so in the end the possibilities are greatly increased.
Sketch Master is a tool with a rather limited number of features and some results that leave a little room for improvement. However, it compensates for this by being incredibly easy to use.