Robotic Buddy, who takes a seat on your shoulder and makes sure you have company at all times is developed by Japanese researchers.

This wearable miniature robot could be inhabited by a friend from anywhere in the world and duplicates the speech and gestures of your friend right there for you to interact with directly.
Researchers from Yamagata University are developing MH-2 to make sure one will never have to be alone again, the Discovery News reported.
MH-2, where 'MH' stands for "miniature humanoid", is a wearable telepresence robot, which acts as an avatar for a remote operator.
With two arms that have seven degrees of freedom (DOF), a three-DOF head and two-DOF body, plus one additional DOF for realistic breathing, MH-2 is designed to be able to imitate human actions as precisely and realistically as possible.
MH-2 uses human brainwaves.
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As a result, they get to see whatever the robot sees.
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However, for all this to work convincingly, gestures need to be reproduced accurately and quickly, at a speed equivalent to a human being making gestures in real time.
This is why MH-2 is so intricate and requires that gigantic backpack full of servos, which control its joints by tugging on wires.
But, this backpack doesn't look like it's probably a whole lot of fun to carry around for extended periods of time.
That is why; the researchers are trying to find ways to reduce the bulk of the 22 actuators that are currently required to operate the MH-2.
Until that happens, one will just have to accept the fact that using the MH-2 could possibly make the user look like a little bit of a robot geek.
Source-ANI