This is a flashlight application with an AppWidget feature that lets you turn on/off the flashlight quicker without pulling down the notification banner and use the Android tiles to control the flashlight.

You can place it on your home screen and have it available quickly.

With the sizes of today's smartphones the fingerprint sensor is usually at the bottom of the screen or on the hardware buttons of the device which makes you hold your phone at the lower part. This makes most people harder to pull quickly the Notification are to use the flashlight.
If you place your Widget on the home screen at the bottom part of the screen you do have a comfortable access to your flashlight.