Lenovo confirmed to Pocket-lint that Google will be keeping Motorola's Advanced Technology and Projects group. Motorola's handset business will be the only part to go under the $2.91 billion deal, according to Lenovo CFO Wong Waiming. 

The Motorola research group made headlines over the past year, showing off products including the Project Ara modular handset, password tattoo, and a pill that would turn your whole body into an authentication token. It was lead by Regina Dugan, a renowned inventor who once served as a program manager at DARPA.

Pocket-lint has learnt that Dugan and the rest of the team will transfer to Google and be part of Sundar Pichai's Android group.

Read: Google X explained: What's really going on at Google's secret lab?

The Project Ara prototype shown-off from the research group last year apparently isn't just a pipe dream. “There is a [Project Ara] prototype and it is pretty close,” Motorola’s CEO Dennis Woodside said in December. “The idea is you have a skeleton that holds together a set of components and the components slide in and out. If we have the interfaces and the protocols that enable the speaker to speak directly to the CPU then this would all be possible.”