Microsoft will acquire mobile software firm Danger, the company behind popular cellular apps that combine browsing, games, social networking and other apps.
The privately-held firm based in Palo Alto, California, was founded by Andy Rubin, now the head of Google's mobile division, nearly ten years ago.
Financial details of were not disclosed. Under the acquisition, Danger will become a part of Microsoft's entertainment and devices division. Robbie Bach, head of the division, said Danger "strengthens our dedication to improving mobile experiences centered around individuals and what they like."
Danger's software is sold by T-Mobile in the US under the Sidekick brand and is popular among young users for integrating web browsing, contacts and other apps into a single suite.
"Danger has connected with a customer base that is young and enthusiastic, Internet-savvy and socially inclined," the companies said in a statement.