What changed? · Swaps
Look at the grid, then find what is different when it comes back.
Study the grid. It disappears for a moment and comes back with a change. Tap the picture that changed. Two pictures swap places: tap both of them.
How to play
Study the grid. It disappears for a moment and comes back with a change. Tap the picture that changed. Two pictures swap places: tap both of them.
What it trains
Remembering where things are: positions on a grid, routes and the layout of objects.