Build ott platform with live channel

Hi im looking to build a tv channel app.

That has the ability for live tv
Andoid tvs
Ios
Samsung
Roku


1) Backend software (for 1 domain)
2) Android TV App
3) Android Mobile App
4) IOS App
5) Cloud Deployment support (Vultr)
6) Cloud Transcoder if needed
7) CDN integration
8)* Vmix for live tv scheduling support (additional)
9) 1 month technical support after deployment


If you have a sample for android please type im ready now