My 2012 Moto X has a trained keyword (and in fact a dedicated low-power specialized processor to listen for it - one of the things I like about that phone). No

My 2012 Moto X has a trained keyword (and in fact a dedicated low-power specialized processor to listen for it - one of the things I like about that phone). No "OK Google" for me; it's "Listen please", in Russian. Never tripped by mistake.