I had the same idea 4 years ago and did the exact same thing for several apps. This was a bad idea :
https://medium.com/@kirualex/an-android-developers-nightmare...
Google content policy is now very clear : Do not post any applications whose primary function is to: generate traffic to a website; or provide an overview of a website that you do notown and you do not handle (unless you have permission of the owner / administrator of the website).