Flying drones
Yes. Amazon has it.
Robotic dogs
Yes. Boston Dynamics sells it at $74,500 (Source: Wired)
A hoverboard that can travel everywhere
Not yet.
Wireless electricity
Not yet.
Dating apps
Of course yes.
3D printers that can make 3D models in a few minutes
Yes. And it's available on Amazon.
A jet suit that helps you fly like Ironman.
Yes. It has been invented by Richard Browning.
A screen that can roll up like a sheet of paper
Yes, LG made it in 2016 (Source: Time.com)
Artificial blood
Not yet
Medicine that helps bald people grow hair again
Not yet.
A virtual touch screen
Not yet.
Wireless phone charger
Of course yes.
Cultured meat, or no-kill meat, made in a lab
Yes. The company Eat Just has sold its cell-cultured meat in Singapore. (Source: Techcrunch)
Contact lens with camera
Not yet.
Robot insects
Not yet
Driverless cars that do not need humans
Not yet. Human control is still required. (Source: CBS News)