Lei Jun, founder and CEO of China's mobile company Xiaomi, shows the new features at a launch ceremony of Xiaomi Phone 4, in Beijing, July 22, 2014. China's Xiaomi unveiled on Tuesday its new flagship Mi 4 smartphone, aimed squarely at the premium handset market dominated by Apple Inc and Samsung Electronics Co Ltd. According to Android Headlines , the Xiaomi Redmi 2 has been listed with a Chinese retailer called SPEmall.