I can't watch AppleTV Plus on my TCL Andriod TV. Why? Please help. Thanks.
Why I can't watch AppleTv Plus on my TCL Andriod TV?
iPhone SE, iOS 13
Because there is no Apple TV App for Android TV: Apple TV app - Devices - Apple
You can however, connect an iPhone, iPad, iPod Touch, Mac or even an Apple TV to it, and use that to watch the Apple TV+ content.