Chinese electronics giant Lenovo has unveiled a
phone with a built-in laser projector that can be
used to display a virtual keyboard or display.

The interactive display can replicate the phone's
touch screen, a full-size computer keyboard or
even piano keys.
The laser projector can also be used to beam
images and videos onto walls.
The Smart Cast phone was unveiled at the
company's Tech World conference in Beijing,
where the firm also unveiled a new type of
smartwatch.

'Headline-grabbing'

The laser projector measures just 34mm by
26mm by 5mm and, said Lenovo, does not need
focussing to project sharp images onto walls or
other flat surfaces.
A video showing the Smart Cast in action shows
how twisting the mounting for the device's lens
turns it from a standard wall projector into
"surface mode" that beams the display on to a
table top.

A kickstand mounted on the back of the phone
keeps the device upright while the virtual
keyboard is in use.

At Tech World, Chinese concert pianist Lang Lang
used the virtual keyboard to play a version of The
Entertainer.
Lenovo showed ways to use the interactive projected
display to play games.



source: www.bbc.com/news/technology-32914764

Most of us have seen something like this only but in science fiction movies, now it's a reality.