You'll wanna act on this one right now coz Apple's gonna pull it sooner than later. The innocently titled FlashArmyKnife combines seven little utilities into one iPhone app: flashlight with adjustable brightness, built-in web browser with bookmarks, fully functional trigonometry calculator, satellite view map, currency converter, compass and battery indicator. As useful as these are, you'll want FlashArmyKnife for its hidden tethering feature.
We're not really sure how it managed to escape the attention of Apple's eagle-eyed censors, but you can bet Apple's gonna nuke the program out of orbit the instant they find out about tethering. So, if you've been looking to share your brand spanking new iPhone 5's Internet connection with other devices without purchasing a tethering plan from your carrier, this app gets the job done and without requiring a jailbreak, too...