App Open Ads
App open ads are a special ad format intended for publishers wishing to monetize their app load screens. App open ads can be closed at any time, and are designed to be shown at startup or when your users bring your app to the foreground.
Set auto_show_on_resume to true in order to show app open ads when users resume (bring from background to foreground) your app. The app open ad should be loaded via the load_app_open_ad() method before it can be displayed at startup or upon resumption. Ideally, invoke the load_app_open_ad() method at startup and, if auto_show_on_resume is enabled, upon each app_open_ad_impression signal.