Ability to move independently, with their own power source, be able to navigate our environment, homes, use our tools and do our bidding, following simple commands. It is likely that some DNA-engineered chimp/machine hybrid will probably become the first real robot exposing the folly of today's mechanical / electrical attempts in much the same way as we now know that the Analytical Machine was unrealistic with 19th century clockwork technology.
Ability to move independently, with their own power source, be able to navigate our environment, homes, use our tools and do our bidding, following simple commands
Apart from "use our tools", that's Roomba+Siri. Honda's "Asimo" is coming quite close.