A free program for Android, by ideaFun - Pixel Art Coloring Games Color by Number.
If you are looking for a casual pastime, then this might be for you!
The Fidget Spinner - iSpinner app lets you have a pocket-friendly fidget toy that you can play with anytime and anywhere. It is known as a stress reliever so there is no doubt that this might help you get through a rough day. All you have to do is swipe your finger to be able to rotate the object until you are done with it. It has various styles, colors, and shapes so you will surely enjoy the app.
Built with a simple user interface for easier navigation.