Ads Showroom for AdMob/DFP is an app to test AdMob/DoubleClick for Publishers.
Ads Showroom for AdMob/DFP helps you to see how Google AdMob shows various ad formats before you start to implement Google AdMob SDK in your app. AdMob Showroom is also useful to find bugs or technical issues when you have trouble with apps and AdMob. It supports DoubleClick for Publishers (DFP) so that DFP users can utilize this as AdMob users do.
Supported banner sizes : 320x50, 320x100, 300x250, 468x60, 728x90, Smart Banner, Interstitials and Custom Sizes for DFP.