Why is Wu Dajing called Wandoujia?

He is similar to the male protagonist in the video "The Past Life of Wandoujia and Anxianzhu".

Wandoujia is an Android mobile phone management software used on PC. After connecting the mobile phone to the computer, you can transfer various applications, music, videos, e-books and other content or directly download them from the Internet to the mobile phone. You can also use it to achieve backup, contact management, group text messaging, screenshots, etc. Function.