Since "Jelly Bean Square Dance" only has a mobile APP, if you use it on a computer, you need to open it through an Android emulator. The specific steps are as follows:

Required materials: computer, Any Android emulator or Tangdou Square Dance APP installation file.

1. First, you need to download the Tangdou Square Dance APP installation file to your computer.

2. Then open any Android emulator and click "Local Installation".

3. Open the downloaded installation package in the open window.

4. After opening the Tangdou installation file, enter the installation interface, wait for the installation to complete, and then open the Tangdou APP.

5. Now you can watch the videos in the Tangdou Square Dance APP on your computer.