The kit provides a rewarded ad button in the level scene that allows the player to earn some extra coins after completely watching an ad provided by Unity Ads. Please make sure to become familiar with how Unity Ads works by reading this guide first.
There are several settings related to Unity Ads that you can tweak from the Puzzle Match Kit editor (Tools/Puzzle Match Kit/Editor). Go to the Game settings tab and open the Monetization sub-tab. In the Rewarded ad section you can find the following settings:
The kit provides a coins shop with in-app purchasable packs of coins using Unity IAP. In order to enable Unity IAP in your project, please follow this guide. These are the main steps you need to perform:
The Store id needs to be exactly the same identifier you use in your store (App Store, Google Play, etc.), while the rest of the fields are only visual. Please note you will need to have previously defined your available in-app purchasable items in the store/s of your choice (for more details, please follow this guide).
IMPORTANT: Even if the latest versions of Unity provide a built-in IAP package, you still need to perform the previous configuration manually. You can read more about why this is needed here.