This is an app that allows you to experience optical illusions on spinning disks.
The illusion that your brain causes by watching spinning disks will show some colorful patterns. As you know, the Benham's disks are very famous as the disk illusion.
You can enjoy a lot of patterns of spinning disks with this app!!
-Maximum value of rotation speed is extended to be 5000[rpm]
-New pictures of disk are added
-Removing background pictures, to make illusion more clear
With Family Sharing set up, up to six family members can use this app.