I have integrated MoPub ads (with MobFox and Chartboost). The game was exported using Cocoon.IO. I only see banner ads showing (rarely). The interstitial ads are not showing at all. There are 112 attempts but 0 impressions. Can anyone help me?
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Is it because I am from Croatia and there are not so many advertisers for my country?
I found this little trick somewhere. Honestly, I don't understand why should I do this but it worked. I set $200 eCPM for Chartboost interstitials on MoPub and it started displaying ads.