Help needed in moving square shape according to voice from mic computer

hey, started working on this platform and need some help plz!
1.how do I move a square that I added as a movie file in according to voice using my computer mic- I need the square to move on the Y line (not x)
2. how to I make a circle move from one side to another and when touch something - respond and move to the other side on the screen - from left to right but responding to objects.
thank you!