Features:
☆ See the time on a realistic Big Ben clock face
☆ Prevent screen from locking so you can view Big Ben all day long
☆ Sound plays at 15, 30, 45 and on the hour just like the real Big Ben
☆ Watch a countdown to the next strike in minutes and seconds
☆ Learn about the history of Big Ben
☆ The sky changes to match sunset and sunrise in London