Add a download option

[Aruraka]

Describe your suggested feature

Hii guys can u add a download option too so that the videos can be dowoaded in different qualities and can u make this app in such a way that the downloaded videos are available in the app itself instead of internal memory of phone please? It's a request

Acknowledgements

• [X] I have searched the existing issues and this is a new ticket, NOT a duplicate or related to another open issue.