Its a good camera for taking selfiees and for clicking photos. I had downloaded it and has a great expirience from it.
Concept ~ concept is not too hard its very simple you just slide right and left from screen to change the filters of camera.
Layout and design ~ layout and designa are also good as its updates are also good.
Features and function ~ features and functions are really very good and best I am using it since one year.
Usefullness ~ its a very usefull app for who has not a better camera in mobile and interested in taking selfiees and pictures.