So you are worried about your phone overheating as you play games on it? The Aceyyk Smartphone Cooler is worth a look. It is a cell phone fan that can cool down 4 to 6.5″ smartphones in 3 seconds. It doesn’t make a whole lot of noise, so it won’t interfere when you play games.
This phone cooler connects to your smartphone with 4 suction cups. It can be powered by a USB power source.