I want reviews for my android apps

hello everyone
i want to buy some reviews for my new android apps so if anyone can provide a website or a service and want to know please:

1. What's the price per Review 5 stars ?
2. what's your inssurance that the given reviews will be not deleted by Google Play.?
   
3. From wich coutries do you provide reviews.?
   
4. Can i give you written reviews or at least the keyworkds that i want ton insert on them.?

if all that ok i promise that i will buy more and even tell my teams (more than 5 android apps developpers ) to come to your website and become and permanet custmers.