|Yun OS is a Linux distribution designed for smartphones based on the Android Open Source Project. It is developed by AliCloud, a subsidiary of Chinese company Alibaba Group. Aliyun was released in China on July 28, 2011. The first device to run it was the K-Touch W700.
It took three years for AliCloud, involving 1,600 engineers, to develop Aliyun from the code-base of the Android Open Source Project. The company is challenging the dominant Android in China and is also looking to expand into Western markets.
Elephone_S2 Plus-yunos Youtube video