Identify and block spam calls or SMS, search for unknown numbers, call and chat with friends. With a community-based spam list from over 250 million users, Truecaller is the only phone app you’ll ever need. Truecaller respects your right to privacy. Your phonebook is never made searchable or public. AVOID ANNOYING SPAM CALLS & SMS

OK Google is your google voice assistant. Whenever you say "Ok, Google" that means that you are ready to put in a voice command, so it launches. You can ask everything you can check on your phone, on the phone or on the web through your speech.