Flipbook Pad is a simple and free Android application developed by Feiwen Apps that helps you check for dead pixels on your screen. The app has a bright, pure white full-screen background that makes it easy to spot any dead pixels.

The app is straightforward to use. You launch it, and it displays a white background that you can examine for any dead pixels. The app does not contain any other features or options, and you can exit it by pressing the power key.

Overall, Flipbook Pad is an excellent utility tool that does precisely what it says. It is easy to use, and the white background is bright enough to make it easy to spot dead pixels on your screen. The app is perfect for anyone who wants to check their phone screen for dead pixels.