As I am seeing no one url looking meaningful but if they have good traffic and sound bounce rate so they can be purchased, let me check all possible parameters then get back to you!
It is really wonderful website and I have heard about it earlier too. As today requirement is mobile friendly website so this website more helpful for responsive website creators.
From where you will get the mobile numbers...Yes I am agree with you if you know any portal from where you get the needy people numbers for searching about domains!
First You make sure your website is not too heavy then go for search engine optimization along with regular social media services. I am sure you will get the ranking in few days.