Instructions on how control robot's arms over wi-fi:

http://www.instructables.com/id/Wi-Servo-Wi-fi-Browser-Controlled-Servomotors-with/

Instructions on how to display expressions using LED matrix display:

http://www.instructables.com/id/Controlling-a-LED-Matrix-Array-With-Arduino-Uno

Instructions on how to control some stepper motors and to broadcast video/audio over wi-fi:

http://www.instructables.com/id/Wi-fi-Controlled-FPV-Rover-Robot-with-Arduino-ESP8/

Instructions on how to control some DC motors and to broadcast video/audio over wi-fi:

https://www.instructables.com/id/WiDC-Wi-Fi-Controlled-FPV-Robot-with-Arduino-ESP82/

Full instructions for building the robot now available at:

https://www.instructables.com/id/Joy-Robot-Rob%C3%B4-Da-Alegria-Open-Source-3D-Printed-A/