How to close apps on the TV Box and Apple TV?

For some problems, it helps if you close the yallo TV app completely and restart it. This is how it works:

Exit apps on the TV Box:
First, exit the yallo TV app by pressing the home button. Now you are in the main menu of the TV Box. Go to Settings and Apps. Now select the app you want to close (for example, yallo TV) and select Force stop.

Quit apps on Apple TV:
First, exit the yallo TV app by pressing the Back or Menu button. Now you are in the main menu of Apple TV. Press the screen button twice and swipe the desired app up out of the screen to close it.