How to solve the problem of inconsistent line drawing ratio (turning circles into ellipses) when using Parblo Intangbo SW connected to Android phones (tablets)?

Before connecting:
Please make sure to first adjust the gear of the Parblo Intangbo SW product to [phone]/[tablet] mode (please click on the gear adjustment tutorial)
1. Download and install Parblo Android software, and open the software for settings
Click here to download and install the "Parblo" software

2. Click on "Local Proportion" and then "OK". After setting, you need to reconnect to Bluetooth