Whenever I get my hands on a new operating system, I get just as excited by the small tweaks as I do by the major talking points. And Android Marshmallow doesn’t disappoint: Although it looks like Lollipop on the surface, it comes packed with all sorts of refinements and additions that promise to make your Android experience that much more enjoyable. Here are 27 to check out.

Updated 10/07/15: We’ve changed some slides, and added new ones, to account for changes and new features in Developer Preview 3.