Apple is ready to open its first retail store next week in Turkey, with a grand opening gala that may feature Apple CEO Tim Cook and Turkish President Abdullah Gül. Located in Istanbul's Zorlu Center Shopping Center, the retail store will open at 10:00 AM on Saturday, April 5, 2014, reports Elma Dergisi. The Turkish store occupies approximately 20,000 square feet in the heart of Istanbul's popular, multi-use shopping center. The Zorlu Center store is thought to feature a cubic glass ceiling, glass sides and in-store services