The updated developer preview also includes support for Unicode 9 emoji. Google says the goal here is to nix the generic-looking images for more human-like graphics, including variations in skin tone. This version also includes support for Vulkan, a 3D rendering API that aims to boost GPU and CPU performance. As you might expect, the update also includes an updated API for things like multi-window and bundled notifications as well has the usual collection of unnamed bug fixes. If you're not feeling adventurous enough to give the preview version of Android N a go, consult our hands-on to read up on the software.