The Haier Cleaning History Tracker is a useful application for Haier vacuum cleaner robot users who want to keep track of their cleaning history. This app records and displays detailed information about each cleaning session, including the date, time, duration, and area cleaned. It also provides statistics and insights, such as the total cleaning time, average cleaning time per session, and the most frequently cleaned areas. With this information, you can better understand your cleaning patterns and optimize your robot's performance. The app also allows you to set cleaning goals and provides notifications when you achieve them.