Lumos is a free flashlight app developed by Latin Hogwarts for Android devices running on version 9.0 or higher. The app's name and theme are inspired by the famous spell from the Harry Potter series, making it a must-have for fans of the franchise.

With Lumos, you can turn on your phone's flashlight by simply saying "Lumos" out loud. The app also allows you to turn off the light with the voice command "Nox". Additionally, you can choose from five different wand interfaces, including those of Harry Potter, Hermione Granger, Ron Weasley, Albus Dumbledore, and even You-Know-Who.

While the voice recognition feature requires an internet connection, Lumos also includes a button for manually turning the flashlight on and off. Overall, Lumos is a fun and functional flashlight app that adds a touch of magic to your everyday life.