At $0.99, Pocket Heat could quite possibly be the worst app ever. It basically “creates a quick blast of heat wherever you need it” by overheating your iPhone. For those interested in purchasing this application, click here. Continue reading for a short hands-on video (non-english).
According to the Apple Knowledge Base, the iPhone should be operated “…in a place where the temperature is between 0 and 35C (32F to 95F).” Prolonged exposure to extreme heat will produce the temperature warning screen.