New iSpyCam HD App
iSpyCam HD is the best iOS application to secretly record videos! Everyone will see that your device is turned OFF, while it's actually recording high quality video.
If you want a true spy video application, this is the best on the market right now.
iTunes Link : iSpyCam HD for iPhone 3GS, iPhone 4, iPod touch (4th generation), iPad 2 Wi-Fi, and iPad 2 Wi-Fi + 3G on the iTunes App Store