Simplify is a free Android application developed by TechTide that aims to make your life easier by allowing you to control your device with your voice. The app allows you to change the ringer volume, show the power off menu (experimental), and comes with a persistent notification that makes it easy to access Simplify from anywhere. There is also a homescreen widget for quick access.

It's worth noting that Simplify is currently in Beta, so users should not expect too many features just yet. However, the app shows promise and could be a useful tool for those who prefer to use voice commands to control their devices.