There is a bug report [1] that tracks Google serving a second tier search experience for Firefox for Android.

Google has been dragging their feet for years on this one, and it perfectly fits their "oopsies" pattern of behavior [2], which ends up hurting their competition.

[1] https://bugzilla.mozilla.org/show_bug.cgi?id=975444

[2] https://www.computerworld.com/article/3389882/former-mozilla...