HTC is the world’s largest producer of mobile phones that use Microsoft’s Windows operating system. HTC HD7 Therefore, HTC has also incorporated Microsoft’s popular gaming software, Xbox Live in these models. The HTC Desire HD and HTC Desire Z smartphones based on Android OS were also recently unveiled by HTC. The company will introduce the HTC 7 Surround and HTC HD7 models with different carriers in the U.S., Europe and Asia. Besides HTC 7 Mozart, HTC 7 Trophy and HTC 7 Pro, the Windows 7 operating system based smartphones which are going to be launched in India are HTC HD7 and HTC 7Surround. The two smartphones have powerful features as 1 GHz processor, touch-screen with multi-touch input, ample storage capacity and efficient camera that gives HD recording support.HTC Corporation, based in Taiwan is strongly propagating Microsoft revamped version of mobile OS in its new smartphone models and this will greatly help Microsoft to recover its business. HTC 7 SURROUND WP7 Mobile Phone HTC 7 Surround is projected as an excellent multi-purpose device with great multimedia functionality. The name suggests that the phone integrates some extremely wonderful music-based features. Thus, there is unique slide out speaker in the HTC 7 Surround besides an integrated Dolby Mobile and SRS WOW HD. There is an integrated kickstand in the phone also. HTC 7 Surround delivers high-quality audio surround sound to let users share the music of their choice with their friends in style. HTC 7 Surround speaker makes the listening experience natural and comfortable. HTC HD7 is again an ergonomic device that allows its users to enjoy videos, movies and games in cinematic-style. It sports a large 4.3″ wide screen with excellent resolution and its , integrated kickstand allows enjoying the action handsfree.The HTC HD7 realizes the power of Xbox LIVE taking mobile gaming experience to another level. Both the above described smartphones have their unique features to suit the needs of some buyers in particular. Yet, they work on a common platform called as Windows 7 OS. These touchscreen smartphones will soon release in India, hopefully by early next year and will boom the Indian smartphone market. The price details are yet to be known for these HTC smartphones.