Control your Android device with your voice, now even via your Bluetooth headset! You can even redirect all audio to your Bluetooth headset and also react to your Bluetooth headset button and do whatever action you want with it in Tasker.
(via Play Store)
This is the description in the Play Store. This Tasker plugin allows you to let your smartphone react to voice commands. It comes with Google Now integration. Your personal voice assistant ist just a few steps away. First place to go is www.joaoapps.com. I will post interesting tutorials here.
AutoVoice Video Tutorials