Add featured and improvements to movie streaming Android App

I have a working android movie streaming app with android tv app which needs to upgraded and add features to.

I need to add features from a second app (Source code provided) like :

New player (with option to use external player)
New Download Option
Ads on Android TV App
Coupon system for subscription (People can add coupons to get ad free service).
Auto scrap or show video from several video hosts (APi will be provided.)
Improve comment system
Improve the broken post system
Improve and connect everything from backend panel.

We can discuss all the features and improvements in detail.

Thanks.