can i watch apple tv on my samsung smart tv 6350

That appears to be a 2014 model TV.

The Apple TV app is supported on select models smart TV from 2017 or later. List of Apple TV app-supported devices - Apple

Users of unsupported models TV are advised to connect a streaming device through HDMI: Apple TV box, Roku, Fire TV, PlayStation, Xbox, Nvidia Shield, or Chromecast with Google TV device. Any of these support the Apple TV app directly.

(For AirPlay streaming, you can use an modern Apple TV box or Roku.)

All the ways to watch Apple TV+ - Apple Support

Not sure if the list is up to-date

Apple TV app - Devices - Apple