Actors Trivia/Avner B. Gelfand play online

This app incled trivia questions. The first thing you see, when you enter the app, is a picture of a role. After a few seconds, the picture of the actor who has played the role appears there and there's a button - "Who is this actor/actress?" under it. When you click the button, you see the actor's name and then you should click "OK" to continue. Then you move to the next role and actor.