There are a few key reasons why Android is strategic for Google:
1. Android is the most popular mobile operating system in the world. This gives Google a large platform to distribute its products and services to users.
2. Android is an open source platform, which means that Google can control the direction of the platform and add new features and functionality as it sees fit.
3. Android gives Google a way to extend its reach into new areas such as the connected home and wearable devices.
4. Android is a key part of Google's mobile advertising business.
5. Android gives Google a way to control the mobile ecosystem and ensure that its products and services are front and center for users.