HOUSTON — Starwood Hotels & Resorts Worldwide Inc. has opened Four Points by Sheraton Houston, Memorial City, a new hotel located at 10655 Katy Freeway in Houston. The 171-room property, which is owned by MetroNational Corp., is the first of three hotels that will open in the Memorial City Project mixed-use community. Starwood plans to open the remaining hotels in fall 2008 and spring 2009. Amenities at the hotel include four meeting rooms totaling 2,790 square feet, an outdoor pool, a 24-hour fitness center and a full-service restaurant and bar. All rooms at Four Points by Sheraton Houston, Memorial City also will feature flat-screen TVs, free bottled water and high-speed internet access.