Yoyo Ball and App
Junru Xu
Mobile Technologies, Applications and Software Design Yoyo Ball and App by Junru Xu Yoyo is a communication device and mobile application designed for children and parents who live apart. The Yoyo device is a real yo-yo ball that measures 10 by 10 by 4.5 centimeters and is made of plastic, metal and cotton. Real-time voice messaging allows children and parents to speak across distance. A touch sensor on the back collects health data such as heart rate and stress level. The device also serves as a table stand. The parent application presents health insights and support based on artificial intelligence.