A full version program for Android, by Spira Apps.
The Optical Illusion
is a game that can create optical illusions, such as the spinning spiral effect. It can also make you see different objects around you deformed in different shapes, depending on the illusion. Your friends and family will also be amused by the app, as it can produce fun effects and give them a great impression of your mind.
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How to use it?
You can use the app in one of the following ways:
Choose one of the spinning spiral effects and get ready to look at your phone or tablet screen. Once the spinning effect starts, a counter will show on the center of the screen the time remaining you should keep looking at the screen.