Before we embark on the first lesson, I would recommend that you use a pen rather than your finger as it will allow you more precise control over the drawing area than just using your finger. You can get hold of a stylus for your phone or tablet by visiting your nearest phone or electronics store.
We will create a composition with some more details in this beginners course, lesson 2, please see fig. lesson-2-original. What we are going to learn from this exercise is to create more details by having the subject matter closer to the viewer.