Instead, it uses a mod called Turbowarp. Turbowarp is a mod that optimized the Scratch VM by dropping use of RAM.
In my older repo which is archived, I used the un-optimized Scratch 3.0 engine that is eating RAM and is also a resource hog. So today, I optimized the whole thing by using TurboWarp, a optimized version of Scratch 3.0.
https://android-9-pie.vercel.app/Android%209.html
https://android-9-pie.vercel.app/Android%2010.html
https://android-9-pie.vercel.app/Android%2010%20patch%201.html
https://android-9-pie.vercel.app/Android%2010%20patch%202.html
https://android-9-pie.vercel.app/Android%2011.html
I recommend you try Android 11 because it overhauled the whole OS.