Fliclo is a free-to-download, free-to-play game app that allows you to make your phone into a desktop clock. It's a study clock that can help you to improve focus. It can be used as a screensaver when your phone is low on battery.

You can choose between two themes, black and white. If you select the black theme, it will also be a clock screensaver with low battery usage.

There are lots of options to change the themes and styles, such as colors, numbers, backgrounds, etc. It also has a beautiful and clean UI design.