A free program for Android, by Next Tech Games Studios – Paint by Numbers Books.

This oddly satisfying fidget toy maker simulator includes all your favorite antistress and antianxiety sensory fidget toys for anger management, destress, and relaxation. You can make a variety of different dimples, circle, and jumbo poppers in a variety of different shapes in the app. These can be used for relaxation and for fun. You can make your own sensory fidget toy in a variety of different shapes and sizes in the app. These can be used for relaxation and fun.

This app is available on Google Play Store for free.