The impressive life-sized machine moves its limbs, nods, bows, and if you complement it, it replies: "He he, thank you."
Ricky, who says there are some other few people in Hong Kong who understand his hobby, told The Mirror he always had a soft spot for robots.
"When I was a child, I liked robots. Why? Because I liked watching animation. All children loved it," he said.
The Scarlett Johanssen clone has a 3D-printed skeleton beneath its silicone skin, which also covers a mechanical and electronic interior.
"When I started building it, I realised it would involve dynamics, electromechanics and programming. I have never studied programming, how was I supposed to code?"
He had to spend a lot of time, energy on money to create the Robot. Despite this, he says he has no regrets about all he invested in Mark 1.
"I figured I should just do it when the timing is right and realise my dream. If I realise my dream, I will have no regrets in life."