Acer's CloudMobile (A800) has quietly slipped on its September 5th release date in the UK and headed East, where it's swapped its Android front-end for Alibaba's Aliyun OS. The dual-core handset will be released in China this Friday for ¥2,999 (approximately $474), making it the most expensive in the country -- according to the Wall Street Journal. Acer has reportedly chosen the f