A:AnswerGo to settings, make sure your bluetooth is on, and use "pair device". Also make sure your phone's bluetooth is on and in pairing mode. Pair your phone with your Chromebook, and the rest will guide you through what to share, etc.
A:AnswerThere is a bit of lag. If you are experiencing lag on Minecraft, always make sure that your Internet has a good connection. And good wifi to make it run smoothly. If that doesn't work, your storage or files may need cleaning. Do delete any unused files you don't need anymore.