The phrase refers back to the main utility obtainable for Android working methods that transforms a cellular system right into a supply of illumination. These purposes leverage the system’s built-in digicam flash to emit a steady beam of sunshine, successfully functioning as a handheld gentle supply. A typical situation for its use is in conditions requiring supplemental visibility in low-light circumstances.
These cellular instruments supply a handy and readily accessible technique of offering instantaneous gentle while not having a devoted flashlight or exterior gentle supply. They’ve change into commonplace because of the ubiquity of smartphones and the built-in nature of the digicam flash {hardware}. Traditionally, early cell phone flash options had been primarily designed for images, however builders rapidly realized their potential as a general-purpose lighting answer, resulting in the creation of quite a few purposes.