Smart TV app wizard

A app which is going to be hard coded with out servers , clients will purchase our service and get a VOUCHER CODE , when open APP on the smart tv , type the code and open the service which client paid to us ! similar to IP on Samsung tv , this will be a kind of iptv service where client no need to install Smart IPTV , or Smart STB , Client need just open our APP or Download from the store or a kind of USB we will send to them to install to their tv ! we have all necessary channels we need just a web page for registration and authorization of the clients this sms will contain a VOUCHER CODE this code will be used by client when first time open the app on the smart tv !