Lenovo Group Ltd., the world\'s second-biggest maker of personal-computers, will offer upgraded versions of its smartphone and tablet computer in China, where the company is starting a cloud-computing service for consumers. The new \"Lenovo Cloud\" service allows users to store and download data on remote computer servers with devices including phones and tablets, the company said in an e-mailed statement yesterday. Lenovo is aiming to make new devices that offer better integration with cloud-computing technology, it said. The computer maker follows Chinese Web companies, including Alibaba Group Holding Ltd. and Baidu Inc. in offering cloud services in China, the world\'s biggest Internet market by users.