We have our custom plugins architecture which has events and methods to automatically fire your code when page loads. We will be providing you tutorials and sample code.
Basically you have to find CSS selectors for scrapping few elements from websites like playstore, twitter for user profiles, click on link if needed and collect details like Title of Profile or Application and URL.
Please start your bid with JS+Your Name.
Payments will be on basis of each website plugin.
Please start your proposal with JS+Your Name.