Chrome Android is a web browser that runs on Android devices. It has a built-in bookmarks system, which you can use to keep track of your favorite websites and apps. To add a bookmark to Chrome Android, you first need to open the Chrome app and click on the three lines in the top left corner of the main screen. Then, select Add Bookmark from the list that appears. Once you have added a bookmark to Chrome Android, it will be available in your bookmarks section of the app. You can also access it by clicking on its name in the main menu or by pressing Ctrl+F5 (or any other key combination).