Solved! How do I turn element TV into smart TV and

[demetriclee64]

Stream YouTube videos from phone to Element TV

 

[Tumeden]

Connect it to the internet via ethernet or wifi adapter if provided.

 

[boju]

Google Chromecast.

If you have wifi in your home can easily connect phone and cast to the TV via hdmi.

 

[jsmithepa]

Depends how old is your TV, it may already have an android phone mirroring capability built-in, consult manual. If not you need to buy a plug-in gadget for it as mentioned. If iPhone, either a cable or AppleTV box.