To serve app ads that are optimized for installation and in-app engagement, you need to link your ad account to the app you’re promoting.
Note: You don’t need to link your advertising account to your app to run your app’s ads. App ads can be placed in the usual way, but campaigns are automatically optimized for link clicks rather than installs or app events. To get the most out of your app ads, we recommend linking your ad account to the app that advertises. To link your ad account, request the account to play the role of ad admin visit great article about wordpress blank page