Android TV OTT

We are looking for an application for Smart TV for a future project. Our goal is to provide a TV box to our customers.
Main features:
- Live TV
- Replay TV (replay over 7 days)
- EPG (Electronic Program Guide)
- Movies - TV Series - Music Videos – Children
- The ability to import movie and series details via themoviedb.org or imdb.com
- Payment gateway: Stripe
- Favorites section
- Promo code

Account sharing prohibited, one account cannot log in to two places at the same time .I have the right to log in to my account in different places or second homes, but I could not play the content at the same time .
- the member can buy items directly through his interface: TV remote control, keyboard, earphone, HDMI cable, power cable.
- Choice of language for the interface: English – French
- Choice of language for content: Bangla / Gujarati / Tamil / Hindi / Kannada / Malayalam / Marathi / Punjabi / Sanskrit / Telegu / Urdu
Catch up TV – watching telecasts over the Internet after a while of their television air
Time shift TV – allows users watch programs using «Pause» and «Rewind» features
Ad insertion
DRM & Content Encryption

- Possibilities to add subtitles

Our application will only contain TV channels and movies from India to provide Indian Boxes in Europe.
And I may have forgotten some elements, we'll talk about it. Thank you for providing us with a provisional estimate for this project. Thanks