https://f-droid.org/en/packages/ohi.andre.consolelauncher/
https://f-droid.org/en/packages/ohi.andre.consolelauncher/
No, you get suggestions when typing the first characters. Also you can define aliases like "i" for an internet browser, and you can define commands which are always displayed.in the suggestions, which you can access with 1 tap.
So most apps can be startet by 1 or 2 taps.