I am not sure what it's called but it's the rectangular banner ad at the bottom of my screen that scrolls up and down as I do.

It's terrible, it freezes my phone every time - even after I close it out, when it let's me anyway.

It need to work correctly before it's rolled out - fine, it has to get tested I guess but it does not work. If it isn't broke and is suppose to do that, well then I don't know what to say.