https://wccftech.com/google-camera-go-brings-some-google-camera-features-to-low-cost-phones/

A good chunk of the Pixel series' camera prowess comes from the underlying Google Camera app. The application has successfully bettered Stock camera application on a host of devices to deliver higher-quality images. It is a part of the reason why there is a vibrant developer community dedicated to porting it to as many devices as possible. Now, Google has released a lightweight version of the app called Google Camera Go.

As the name suggests, the application is intended for devices running Google's lightweight Android distribution- Android Go. The software is custom-designed to operate on low-powered devices with lesser than 1GB of RAM and older processors. A lot of sub-$200 devices run the Android fork, about 100 million, to be precise. Google Camera Go offers a highly-sought-after feature in the form of Portrait Mode to low-cost devices. According to Google's blog post: