Lightbox is a simple Android application developed by Christian Basler that turns your screen completely white. It falls under the category of Utilities & Tools and is available for free.

The app does not have any additional features or settings. It is a straightforward tool that can be used to replace a physical lightbox. This can be useful for artists or designers who need a blank white canvas to work on. With Lightbox, a large tablet or phone screen can be used instead of a traditional lightbox.

In conclusion, Lightbox is a simple and free app that does exactly what it claims to do. It is a useful tool for artists and designers looking for a quick and easy way to create a blank white canvas on their mobile device.