In a series of announcements yester

In a series of announcements yesterday at its annual developer conference, Google unveiled a new version of the software for handsets and tablets and showed it in use in smartwatches, cars and a new television service. That puts Android, already the world’s top operating system for smartphones, not only into gadgets that people carry with them wherever they go, but also increasingly into their living rooms, onto their bodies and in how they transport themselves.