Popular third-party Android launcher, Lawnchair, loses part of development team due the use of code taken from Google's Pixel Launcher.

If you've never used an app launcher, now's the time to try one: they're faster and more powerful than any built-in search system, and they can do a lot more than just launch apps.

The Google Now launcher is designed to run on Android 4.4, but if you're running 4.1 and up, you may be able to get it working with minimal (if any) bugs.