Install on Android
LoneColor is a small 28k download, and runs on all Android versions starting with version 3.0. It's completely free, doesn't show ads, and requires no Internet and no extra permissions whatsoever.
The source code for the LoneColor app is available on its GitHub repository. Don't forget to "star" the repository to show your support and help others discover the app.
LoneColor a free and open source software application licensed under the MIT License. Please review the terms of the LoneColor License before downloading and using the app.