A robot as was in the movie Wall-E That can help you to clean, whuch can act as a device we can move in our home for secirity check also which could tell if any motion is detected when no one is in the housee, it could be used to remind your reminders and also could connect to your thermostay and oyher iot or smart devices.
Other robots from Synthiam community

Cardboardhacker's Raiko Personal Robot
Hello Forum! I have recently gotten back into the swing of robotics, and as such, I wanted to start with a fresh...

Ezang's Robot With Audio Voice Command And Audio Response
robot with audio voice command and audio response EzAng

Luis's Jd Is Getting A Car
Here is my prototype of the JD Shoe box Car. There is more info on how i will use it Here