1) Press the Home button on your Samsung remote. A menu appears on the bottom of the screen.
2) Using the Directional pad on your remote, navigate to and select APPS in the bottom row menu.
3) Select Options in the upper tight corner.
4) Find the MHz Choice APP in the list that appears and then select DELETE
5) Select DELETE again.
To reinstall the MHz Choice Samsung Smart TV app, please review this article here.