Note 4 Sensors is a free Android application developed by Łukasz Kowalewski. It falls under the category of Utilities and Tools and is designed to work with the UV sensor. The app requires localization to be turned on to calculate altitude from pressure.

The app is available in both English and Polish. Note 4 Sensors is a simple and easy-to-use app that provides accurate data about the UV sensor and altitude. The app's interface is user-friendly and provides all the necessary information in a clear and concise manner.

Overall, Note 4 Sensors is a great addition to any Android device, especially for those who are interested in monitoring UV levels and altitude. The app is perfect for outdoor enthusiasts, hikers, and anyone who wants to keep track of their surroundings.