Summary: Memory and attention are important foundation skills. Unfortunately their role is neglected. But we’d like to present a fine art game which is able to make your child smarter!The application is based on the childhood favorite habits: to investigate and to guess.«What has changed?» helps to develop memory and attention easily and without embarrassment.The colourful game is created for 3 year old children and elder. Our developers have paid attention to the game’s design. The app consists of bright highly amusing landscapes. Your device’s desktop is a field divided into 4x4 rectangles.The rules are clear even to a toddler: attentively examine the landscape and when the picture opens try to guess which one of the rectangles has changed. Voice hints will help your child to remember the image faster and to learn some new words.The app captures both children and adults. It is developed for a wide circle or users. It has 3 difficulty levels. Each level requires memory, attention and logic skill. The easy levels will be understandable for toddlers, more difficult ones can absorb preschools and adults.They’ll be involved in a great-looking game with intriguing pictures. Intuitive tilt controls make this game easy-to-learn. Your child will be able to play himself or herself.Let your child investigate the landscapes while you are watching your favourite show on TV.This interactive media app is able to keep your child engaged for days.The game «What has changed?» improves memory and logical thinking, increase mental focus and enhance attention.And it’s just fun for both child 3 year old and their parents!