Low ads traffic due to the small number of devices supported by the package

Development Platform & Builds Mobile
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1

I wonder if anyone is publishing an application on Google Play with an unreal engine and running a Google Ads application campaign? I don’t know if it is because it supports unreal 7k devices, Google Ads Application Campaign shows low traffic, I can’t figure it out

2

I’m thinking of returning to unity, I’ve completely lost my time in unreal, is there anyone who can answer?

3

no one?