Xiao-E is a free utility and tool application developed by E-Enjoy for Android devices. It is designed for otoscope use, allowing users to connect ear picking equipment to their mobile phones through Wi-Fi. The app displays a real-time picture of the ear canal on the phone, making it easy for users to see the situation inside the ear canal. Additionally, users can take photos and videos of the real-time picture to compare and detect any abnormality. Xiao-E is a useful tool for people who need to frequently check their ears or for medical professionals who want a convenient way to take pictures and videos of the ear canal.

The user interface of the application is easy to navigate, and the real-time picture is clear and sharp. The app also allows users to adjust the brightness and contrast of the picture. However, it is important to note that the app requires users to have ear picking equipment to use the tool effectively. Overall, Xiao-E is a useful and convenient tool for otoscope use.