Pop art is a type of art that started in Britain in the early 1950’s and the U.S. in the late 1950’s. Pop Art is known for its recognizable subject, bright colors, and flat images. One popular artists who used pop art was Andy Warhol, he took pictures of famous people as well as common objects such as soup cans and dollar bills.
Roy Lichenstein was another pop artist who used comic strips as inspiration.
I tried to use the pop art style in photoshop on this phone.
http://www.photoshoptutorials.ws/photoshop-tutorials/photo-effects/pop-art/