All Smart TV apps are third-party apps. You need to pay the activation fees to the app owner directly.
For Duplex Play app activation. You can order the app activation by yourself but you need to have an Android device or Windows laptop to be able to pay the app activation fees. (if you do it by yourself, the cost is $2 USD per year).
If you don't know how to do it, then we can help and do it for you. Our service fees are $10 USD.
Also, we can do the App activation for all other apps as well ... such as Smart IPTV, Net IPTV, Set IPTV ...etc
If you would like to activate the app for you, please order it from the Menu. Upon we received your order, the app will be activated within 1 or 2 hours.