What you need to make like these apps
https://play.google.com/store/apps/developer?id=SE-TEACH+3D
1- Kodular Platform with knowing Api.
2- Go to Hostinger WordPress and buy hosting: here some deals and Coupons: Hostinger Coupons and Deals › Coupons & Deals
3- Buy Downloader All video Plugin and Theme from envato: All in One Video Downloader Script by NicheOffice | CodeCanyon
That set 