Test Screen is a free Android app developed by Julian Brost, falling under the Utilities & Tools category. The app allows users to test their entire screen on Honeycomb and Ice Cream Sandwich devices by hiding the soft buttons, if present. The app has a simple and straightforward interface, and all you have to do is tap on the screen to iterate over all the colors.

Test Screen is a handy app for anyone who wants to test their screen for dead pixels or any other issues. With the ability to hide the soft buttons, you can view your entire screen without any distractions. The app is easy to use and does not require any special skills or knowledge. It is a must-have app for anyone who wants to ensure that their screen is working correctly.