Google's announcement of the developer preview of Android N, codenamed 'New York Cheesecake', introduces features such as multi-window multitasking, powerful notifications, faster app switching, customizable settings, and emergency info integration. Enhancements like a built-in file manager and optimized app installation aim to improve user experience and efficiency. If well-received, Android N could significantly impact the tablet market and contribute to the success of Google's hardware offerings.