Although iOS devices and the App Store have transformed the handheld gaming market, the first three Apple TV generations did not attempt to challenge Microsoft’s Xbox, Nintendo’s Wii, or Sony’s PlayStation game consoles for complete control of living room TVs. According to sources with knowledge of the product, the fourth-generation Apple TV will actively compete for TV gamers with updated hardware, software, and peripherals that will debut at Apple’s September 9 event in San Francisco. One of the next Apple TV’s tentpole features will be near-universal Siri control, a feature hinted at in Apple’s invitation to the event. But the other will be deep support for gaming, representing Apple’s largest-ever effort to lure players from traditional consoles. In addition to the convenience of downl...