createAdView shows a quarter of the ad

Hello. I’m trying to use banners ads. But only a qurter of the ad is displayed.

tapfortap.initialize(“xxxxxxxxxxxxxxxxxxxxxxx”)

tapfortap.createAdView(3, 2)

application = {

    content = {

        width = 450,

        height = 800, 

        scale = “zoomEven”,

        fps = 60,

    }

}

Device Nexus 5, Android 4.4.4

Screenshow is attached. Please help.