IF YOU HAVE A PHONE THEN YOU HAVE A TRUECALLER TO IDENTIFY THE UNKNOWN NUMBER DETAILS AND DO ACTION AS PER NEED.
Google assistant came with every android app and you can easily automate tasks with assistant. Example - To research something on Google
You can get any information from internet easily with two clicks and for that you need a browser which takes role Google Chrome.
If you are a Student or Working Professional you need to send some documents most of the time and this app helps you to scan your doc like a pro.
We are use this app indirectly everyday because most of online documents uploaded on drive as well our photos save on google photos (inside Drive)
Google translate helps us every time it may be in your studies or in work life. It translates any word or sentence to any required language.