Android Wear : Google is working on wearable android Operating system

Android Wear is a version of Google's Android operating system designed for smartwatches and other wearables.[8][9] It was announced on 18 March 2014 with a developer preview available, and integrates Google Now functionality into a smartwatch form factor. Companies including Motorola, Samsung, LG, HTC and ASUS have been announced as partners in the project, with Motorola and LG announcing devices on the launch date.

source : wikipedia.org