Designer Light is the only flashlight app that you'll need for your iPhone 2G/3G/3GS or iPhone 4.
A. Use it to read a book/map/document in low light situations
B. Use it for fishing/hunting (to properly prepare your equipment)
C. Purse Light - find things in your purse
D. Auto-Mechanic light - help you look under the hood or in your trunk or under your car