The Google Now launcher is the obvious pick for anybody looking for pure, clean Android experience. It comes right from Google, so you can shear away anything the manufacturer has loaded up in one fell swoop. The only significant addition here beyond being super-stock is that the left-most home screen becomes Google Now, so you can launch into searches, view cards populated based on the time of day, your location, and general browsing habits, and execute all sorts of hands-free "OK Google" commands. The cards populating Google Now can include local weather, directions to upcoming appointments, upcoming birthdays, content updates from your favorite websites, scores from your favorite sports teams, and the latest stock price changes.
Of course, you can always just type in regular old Google searches as usual, and it will pull up relevant local and web content. The only real downside here is that you won't be able to enjoy the level of customization available on more robust launchers.
Use the Google Now launcher if you're looking for high stability and a consistent Android experience.
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