Click on the app you want to use then push keys and click things to figure out how everything works! P.S. Please comment once you think you have uncovered all the secrets!! P.S.S. Also for the drawing app I advise you to take interest in the letter keys and the up and down keys!! P.S.S.S. The white button is the home button!
You can draw on the camera app to give you silly faces. X is the delete button the first row of letters are colors. Up means stop pen and down means start.