Firefox for Android works on the GeckoView engine which Mozilla says is better and gives it more independence as it doesn't rely Google's Blink engine and hence is free from Google's oversight and perferences.
Here are some new functions Firefox Preview will offer, partially enabled by GeckoView:
Firefox Preview is up to 2x faster than previous versions of Firefox for Android.
With a minimalist start screen and bottom navigation bar, Firefox is meant for productivity
- Make sense of the web with Collections, a ne w feature that helps you save, organize, and share collections of sites. Quickly save and return to tasks like your morning routine, shopping lists, travel planning and more.
- Firefox Preview blocks trackers by default, the result is faster browsing and fewer annoyances.