Google Now Launcher is a fantastic launcher which earlier was a novelty only Nexus users could only make use of. Google recently announced an update post which any Android user can install it on their phone running Android 4.1 or higher.
So if you have an Android with a laggy, buggy launcher that is way too cluttered then this is the way you can breathe in a new life into your phone. Your phone needs to be running on Android 4.1 atleast for this launcher to be compatible with it. This also means newer phones like the HTC One M8, Galaxy S5 and LG G3 are now supported.
Head over here to try it out.