ToyCamera is a simple photo application that turns your iPhone into a fun toycamera. Created by Takayuki Fukatsu (iTunes link)it's his prime photo app for taking quick pics and applying quick photo effects.

First released in October last year and most recently 2.01 version, ToyCamera is about point, shoot and share. In this process, by default, you are greeted with surprise effect applied to your photo. Every time you take a shot a random effect us applied to it. If you do wish not to include some of the effects you can change this is the app settings. If you prefer to use only a single effect you can do this by disable all those that you do not want to use, all but one. ToyCamera brings you a set of image editing workflows that are automated for your convenience to produce exciting modifications to your photographs in a single click. The app takes photos in 800x600 or 600x600 resolution (crop option available) and they are automatically saved into your Camera Roll library. Available effects are: Vintage Green effect, Vintage Warm effect, Vintage Yellow effect, Low Saturation, High Saturation, Toning Sepia, Black & White, HiCon Black&White. In addition, uploader is included to the BigCanvas Photoshare.