The trip of the search for a w

It is a game which competes for the earliness which discovers a mistake from two photographs.
There are three mistakes in two photographs.
While looking for a mistake and progressing to the following mode, powers of observation are polished.
It does not side with time.
How to play
Two photographs displayed are compared and a different portion is touched.
Which photograph may be sufficient as what is touched?
Feature
Please see two same photographs and look for a mistake.
The deadline will be passed if careless.
It is the best for playing with a family and a friend.
Since there are many photographs, he can enjoy himself for any number of hours.