Robo killer cannot distinguish between spam calls and important calls Im waiting for a return if theyre not in my contacts they block the call and I miss it please just stop Ive asked it to be canceled and they are still doing it just stop User's recommendation: Robo killer cannot distinguish between spam calls and important calls I’m waiting for a return if they’re not in my contacts they block the call and I miss it please just stop I’ve asked it to be canceled and they are still doing it just stop.