Screen Test is a free Android application developed by uax.io in the Utilities & Tools category. The app offers two simple tests to detect LCD dead pixels and dead zones on your screen.

The first test helps you identify dead pixels by contrasting them with solid test backgrounds. The second test detects dead zones by not registering your touch on the screen. Screen Test is a helpful tool for anyone who wants to check the health of their device's screen. The app is easy to use and provides accurate results, making it a must-have for anyone who values their device's screen quality.