Googiri allows you to invoke Siri's functions from within Google Now. Updated for iOSGoogiri allows you to leverage Siri's 1st party integration with Google's spectacular speech-to-text service. Google's Mobile app will work as normal, but if you prefix your query with "Siri", Siri will step in and handle the query.
You can also optionally send the query to your own webserver, useful for home automation.
+ Other awesome features!
Configure options from Settings.app