Widget is supposed to be used as a button to turn on/off flashlight. Tap on widget to turn on/off flashlight.

Without advertisement.

Small size, simple way to launch application, no application shortcut.

WARNING! To complete installation process you should drag the widget on the screen. Just long-press a blank available space on your screen, touch the Widgets option from the menu that pops up and drag required widget on the screen.

Flashlight widget pro

To control flashlight by voice commands install the following application
Flashlight voice control

To turn on/off flashlight by the "power" button without unlocking install the following application
Flashlight power button