Does anyone have a thumbnail overview of implementing FB Instantgame ads? In my wife's app, she has added the correct info to the C3 plugin, got the app approved, the app requests ads but none show - she has the "request/show ad" command correct in the app.
We know ads work in her game because if she designates her phone as a FB "tester", ads show. However, from many actual user ad requests (non testers) the fill rate is 0%; no ads are actually displayed for non testers.
Not sure if it's something in the C3 plugin or she missed a step in setting up FB ads.
Anyone offer any suggestions?