Here is a list of the supported model(s):
2019 model Android TV
X10 sireise（65X10）C8 sireise（65C8, 55C8）P8 sireise（65P8S, 55P8S, 50P8S, 43P8B）
*Requires Internet connection.
If you wish to know how to use the Hulu app, please refer to this help article: [TCL TV] How does Hulu work?