(Sample Effect) Have spectator draw a picture (anything is OK) on app of smartphone, then the smartphone is turned over to be facing down. Next, magician writes something on the paper, then places it on the table, facing down... Now, the smartphone and the paper are turned over at the same time… There are the same drawing on both papers…. All spectator are surprised, except for the spectator who draws the painting, because the spectator draws a different drawing.. The magician draws something on the paper. He finally asks the spectator what is drawn on the phone. At the same time the spectator names of painting, the magician shows the paper…. They perfectly match! This will work with both of iPhone and Android smart phone.
USD
