[null,null,["最后更新时间 (UTC):2024-07-12。"],[[["The Playground is a tool for experimenting with how content is displayed on Google Glass, allowing users to preview how images, text, HTML, and menu items appear."],["Users can authorize the Playground to interact with their Google Glass timeline, enabling features like inserting, updating, and deleting timeline items."],["To use the Playground, users must provide a Google APIs project client ID, ensuring to use a separate client ID for testing purposes and not their production Glassware."],["Getting started with the Playground involves visiting the provided link, editing JSON or HTML content to see previews, and authorizing access to interact with a Glass timeline."]]],[]]