You have to press the flag key in order to make the figure move. It will ask you questions . So, you answer the question in any way you want, for it to continue.
The part that I got stuck on was the part when I wanted the laptop to appear when it was the bedroom scene but I couldn't figure out how. Then, I found the option to only appear in the last scene. Also, I got stuck on how the person watching it can interact with it. Then, I finally decided for it to ask a question and the person can answer it in any way. I was most fascinated when I found out new blocks that did very interesting things and it was pretty fun.