You will need to setup Mail on your device for this app to work properly.
Go to Settings > Mail,Contact,Calendars and setup your mail account.
Photo Match N Mail is a photo matching game that uses Flickr as its source of images. When you play a game it will get random images from Flickr for each game.
Search with whatever you want "dog,flower,japan" etc...
Reward yourself by mailing the images to yourself or your friends.