You've already got Google voice commands, but what about something with a little more personality? Microsoft has got you covered, or rather, it will in a few weeks. Redmond is working on a version of its Cortana virtual assistant app for Android.
Search engines are been there, done that these days. To really compete, you need your own voice assistant that can do the searching for us, then regurgitate this information using a friendly voice. Business Insider reports that, in a conference call to report Yahoo's first quarter earnings on Tuesday, CEO Marissa Mayer mentioned her company's plans to take on personal assistants such as Google Now, Apple's Siri, and Microsoft's Cortana. The site claims that the project is currently code-named Index.
Android has Google Now. iOS has Siri (and Google Now). Windows Phone has Cortana. That's the way the story goes, or at least, that's how it has progressed thus far. According to Reuters, this may soon change. Microsoft apparently plans to bring its Halo-inspired digital assistant to both Android and iOS.
Like Google Now, Cortana tries to learn your behavior and interests in order to simplify your life and be relevant.