@inahurava
Thanks for the inquiry.
For more detailed information about what you need to connect a Roku device to you TV, we would recommend checking out our Support page here: TV requirements
In regards to Netflix, Roku devices have access to the Netflix channel. Once you've authenticated the Netflix channel with your user credentials, you will be able to stream Netflix through the Roku device.
Please be aware that the Roku 2 and Roku 3 are older devices, for more information and comparisons of the newest Roku devices, visit our Support page here.
Lastly, the Roku interface and Home screen are clean and easy to navigate!
Hope that answers your inquiry, but let us know if you have other questions we can assist you with.
Happy Streaming!
Danny
Danny R.
Roku Community Moderator