Half Screen Power Saver is a free Android app developed by Tufan Labs that aims to protect your eyes and privacy while reducing 50% to 70% of display power consumption. This lifestyle app falls under the Health & Fitness subcategory and is designed to address common issues faced by smartphone users.

The app allows users to view any part of their phone display without hassle. You can tap on where you want to see, and the window is there. This feature helps in reducing energy consumption as you don't need to see the full display always. The app also has a feature to hide password fields when typing, ensuring that your personal information is kept private.

The new version of the app comes with additional options such as adjusting the opacity of the dark layer or area, small, medium, and large visible area setup, and instant movement of visible area with touch location. The app supports both landscape and portrait orientation of your phone. It is also easy to disable the "Half Screen Power Saver" just by tapping the app icon.

Overall, Half Screen Power Saver is a useful app for those who want to protect their eyes, privacy, and save battery power while using their smartphones.