Before we delve deeper, there are a few things that one should keep in mind.
First, it is a camera port and may not work with all the devices out there. Also, the device must be running on either Android Oreo or Pie for the app to work.
Basically, it is an apk file that you need to download and install it on your smartphone. XDA Developers recently ported the official Google camera app and posted it on their website.
Steps to follow:
First, you need to download it on your smartphone and PC
Search for Pixel 3 Camera port and hit the XDA link
Download the app and hit the install button once downloaded
After you’ve successfully installed the app on your smartphone
Open the app and allow all the necessary permissions
After this, you can just select the mode and hit the shutter button.
To add, this camera port also gets features like manually adjust the background blur, colour pop, night sight, stabilise option for video and more.