RK Smart+ is one cool robotic vacuum cleaner that is being sold in Korea with the name Roboking and as Hom-Bot in Europe. Designed by Yong-Gyun Ghim, the RK Smart+ vacuum cleaner with its slim look and touch of digital feeling provides customers with better, clear interaction with it to do the cleaning job. The slim and sleek shape enables it to do the cleaning underneath the furniture smartly. Its seamless design breaks the conventional image of the robotic vacuum cleaners. Besides this, the vacuum cleaner is fat easy to maintain as compared to the existing robot cleaners. Also, it has the auto charging station that’s made as compact as possible to avoid any distraction and hides the cord at the backside slyly so that it doesn’t look messy.