1. Pick a specific version from tags
2. Download and extract as a .zip or .tar.gz
3. Copy the extracted addons/admob folder into res://addons on your project
4. Download godot-admob-android and/or godot-admob-ios in Project→Tools→AdMob Download Manager→Android/iOS→LatestVersion.
5. To know how to deploy, check the README.md of godot-admob-android and/or godot-admob-ios.

func _ready() -> void:
	#just need to call once
	MobileAds.initialize()

# button signal on scene
func _on_load_banner_pressed() -> void:
	var unit_id : String
	if OS.get_name() == "Android":
		unit_id = "ca-app-pub-3940256099942544/6300978111"
	elif OS.get_name() == "iOS":
		unit_id = "ca-app-pub-3940256099942544/2934735716"

	var ad_view := AdView.new(unit_id, AdSize.BANNER, AdPosition.Values.TOP)
	ad_view.load_ad(AdRequest.new())

var interstitial_ad : InterstitialAd
var interstitial_ad_load_callback := InterstitialAdLoadCallback.new()
func _ready():
	interstitial_ad_load_callback.on_ad_failed_to_load = on_interstitial_ad_failed_to_load
	interstitial_ad_load_callback.on_ad_loaded = on_interstitial_ad_loaded

# button signal on scene
func _on_load_interstitial_pressed() -> void:
	var unit_id : String
	if OS.get_name() == "Android":
		unit_id = "ca-app-pub-3940256099942544/1033173712"
	elif OS.get_name() == "iOS":
		unit_id = "ca-app-pub-3940256099942544/4411468910"

	InterstitialAdLoader.new().load(unit_id, AdRequest.new(), interstitial_ad_load_callback)

func on_interstitial_ad_failed_to_load(adError : LoadAdError) -> void:
	print(adError.message)

func on_interstitial_ad_loaded(interstitial_ad : InterstitialAd) -> void:
	self.interstitial_ad = interstitial_ad

# button signal on scene
func _on_show_pressed():
	if interstitial_ad:
		interstitial_ad.show()

var rewarded_ad : RewardedAd
var rewarded_ad_load_callback := RewardedAdLoadCallback.new()

func _ready():
	rewarded_ad_load_callback.on_ad_failed_to_load = on_rewarded_ad_failed_to_load
	rewarded_ad_load_callback.on_ad_loaded = on_rewarded_ad_loaded

# button signal on scene
func _on_load_interstitial_pressed() -> void:
	var unit_id : String
	if OS.get_name() == "Android":
		unit_id = "ca-app-pub-3940256099942544/5224354917"
	elif OS.get_name() == "iOS":
		unit_id = "ca-app-pub-3940256099942544/1712485313"

	RewardedAdLoader.new().load(unit_id, AdRequest.new(), rewarded_ad_load_callback)

func on_rewarded_ad_failed_to_load(adError : LoadAdError) -> void:
	print(adError.message)
	
func on_rewarded_ad_loaded(rewarded_ad : RewardedAd) -> void:
	self.rewarded_ad = rewarded_ad

# button signal on scene
func _on_show_pressed():
	if rewarded_ad:
		rewarded_ad.show()

var rewarded_interstitial_ad : RewardedInterstitialAd
var rewarded_interstitial_ad_load_callback := RewardedInterstitialAdLoadCallback.new()

func _ready():
	rewarded_interstitial_ad_load_callback.on_ad_failed_to_load = on_rewarded_interstitial_ad_failed_to_load
	rewarded_interstitial_ad_load_callback.on_ad_loaded = on_rewarded_interstitial_ad_loaded

# button signal on scene
func _on_load_interstitial_pressed() -> void:
	var unit_id : String
	if OS.get_name() == "Android":
		unit_id = "ca-app-pub-3940256099942544/5354046379"
	elif OS.get_name() == "iOS":
		unit_id = "ca-app-pub-3940256099942544/6978759866"
	
	RewardedInterstitialAdLoader.new().load(unit_id, AdRequest.new(), rewarded_interstitial_ad_load_callback)

func on_rewarded_interstitial_ad_failed_to_load(adError : LoadAdError) -> void:
	print(adError.message)
	
func on_rewarded_interstitial_ad_loaded(rewarded_interstitial_ad : RewardedInterstitialAd) -> void:
	self.rewarded_interstitial_ad = rewarded_interstitial_ad

# button signal on scene
func _on_show_pressed():
	if rewarded_interstitial_ad:
		rewarded_interstitial_ad.show(on_user_earned_reward_listener)