Issue description:
When the user emits the reward or interstitial ad to appear on Android the game stops, but on iOS, the game continues to running in background, causing it to force the programmer to make adjustments to the game code (get_tree(). paused = true), and on Android this is not necessary, only on iOS
OS target (Android/iOS): iOS
Godot version: 3.1.2
Issue description: When the user emits the reward or interstitial ad to appear on Android the game stops, but on iOS, the game continues to running in background, causing it to force the programmer to make adjustments to the game code (get_tree(). paused = true), and on Android this is not necessary, only on iOS