This app is used for choosing somethings of your a little favorite things. For example, you can use this in following situations, ・when shopping at a supermarket ・ when choosing books in the library ・when choosing a dish on the menu etc. You can also use this app with your pictures of photos library. Finally, in proportion to your imagination, you can use this in many situations. If you are bored to choose normally, how about using this app, "casually".