Use APKPure App
Get Ads toolbox old version APK for Android
AdMob, DFP ad and Amazon advertising tester
This application helps you to test AdMob, DFP or Amazon Advertising mobile advertising tags or Interstitial ad units.
In here you can test ads like:
-Single banner
-Interstitial
-Swipeable modeless interstitial
-Framed modeless interstitial
-Floating ads
Depending the Ad network capability