1. RoboDiCaprio (155 cm), equipped with human detection sensors, face-recognition tech (98% accuracy), real-time navigation tech etc, can greet, patrol advertise etc. 2. RoboJulia can serve in restaurants to specific tables. 3. RoboElf service assistant has been deployed at many medical institutes 4. RoboNano, with Alexa Voice Service, cloud, smartphone control, can manage household security, call cabs, order pizza etc means – ‘the personal companion’.