Flash Light - HD Torchlight

It quickly and easily turns on the flashlight next to the rear camera.

Flashlight in Dark

With this app, you can do :
+ Find Your Keys in the Dark
+ Read a Real Book at Night
+ Light the Way When Camping and Hiking
+ Make Yourself Visible on Roadside at Night
+ Light Your Room During a Power Outage
+ Repair Your Car or Change a Puppets
+ Check on the Little Ones

It's hard to beat the super bright LED flashlight on Android when it comes to simplicity. The flashlight app's setup mimics an actual hardware flashlight, with an on and off switch you can toggle to turn on and off your digital torch light.

If it's a free and simple flashlight app you're after and you use a smartphone running Android, this should be one of the first downloads you check out.