It’s a double edge sword, I’d would be nice to be built directly into Android AOSP, but at the same time if it was, phones without the latest Android wouldn’t even have it

I use DDG at home, or Bing at work, for most topics they auto generate cards that give you the answer from the get go like 70% of the time

I remember reading that it supports mouse and keyboard, but the main input control are hand motions