No hi cast screen and App store can not be downloaded when you can use WeChat small program to cast the screen, detailed steps:
1, open the phone on WeChat, the following picture:
2, search for "Hisense Gather Look".
3, click Hisense Gathering good-looking public number.
4. Click "Watch TV".
5. Click "TV not connected" in the upper right corner.
6. Click "Add Device".
7. Scan the QR code to bind to your TV as prompted above.
8. Complete the binding.
9, you can open the video on your phone, click the TV icon to cast the screen to the TV.