This code is required to synchronize your TV app only if your login method is LOGIN WITH GOOGLE or FACEBOOK.
Once you get the code, from any browser of either the phone or laptop/desktop login to your account using URL www.hoichoi.tv
Once logged in using your Google or Facebook account, go to the settings section and under the "device management" option enter the code and click on "activate".
This would synchronize your TV app and you can start enjoying the premium contents on your TV.