Project Ara is aimed at developing open hardware platform for smartphones. In this the user would have a basic structural frame which is called endoskeleton or 'endos' that will hold modules such as display, battery, motherboard, etc. This would bring a revolution in the smartphone industry as the user would be able to customize the hardware of their smartphones as per their needs. for example a person who wants better battery life could use more than one battery as per its requirements. this concept was first proposed by Motorola, although Google has sold the company to Lenovo but they have retained this project. the pilot testing of project ara would begin later this year in Puerto Lico.