Microsoft threw a coming-out party Monday in New York to celebrate the launch of Windows Phone 7.5, as well as four new handsets: the Samsung Focus and Samsung Focus Flash on the AT&T network, as well as the HTC Radar 4G for T-Mobile and upcoming HTC Titan. To illustrate the Windows Phone concept that people are central to the phoning experience, the company erected a six-story smartphone in Herald Square. The key features of the Windows Phone were brought to human-size life with a “Plant vs. Zombies” battle, demonstrating the device’s Xbox LIVE gaming experience, while a lunchtime concert by the band Far East Movement displayed the Music + Video Hub. Finally, in the ultimate show of connectivity, a man proposed to his girlfriend inside the Me Tile of the towering phone. Click through for multiple images from the unique event.