We sent an email twice, but he didn’t answer any of them. So we cannot fill the answer of our quesitons.
But we will fill them after if we receive the answer.
We collected brainstormed ideas and determined them based on various conditions. Then we put together the ideas we needed and removed the ideas we could not use. Lastly, We imaged the idea.
Although it is not a perfect design, it shows a finished App and a 3D printed model assembled. We've also finished wiring the hardware and we can see the apps running on the LCD.