AdMob ads are integrated, all you need to do is to put your banner, interstitial and rewarded ad ids into Ads.cs script (you can find your ad ids in your AdMob console).
Jump through the hoops without hitting the obstacles. Jump in through from above to get 1 point, jump in through from below to get 2 points. Game is endless and as it progress it becomes harder and harder. Your main goal is to score as much as you can. Also, don’t forget to collect the stars to unlock cool characters.