myLite - the original and still the best with over 3.5 million downloads!

Have an iPhone 4? Use the powerful LED light on your phone for a flashlight or strobe light!

More features:

LED and LED Strobe - Change the speed it flashes
Color in Motion - The color changes when you move and shake the phone
Fire Truck, Police Car, SOS - Makes for the perfect MacGyver app!
Rock Concert - The perfect light and lighter for concerts. Flick on the lighter!