Feigning disinterest wouldn’t work on my cat. He demands attention, and will take it personally if you ignore him. If you’re new and don’t give him attention, he will not stop staring at you, and you will randomly get a swat on the head if you continue.
I’m not entirely sure, but I think Mirage on the App Store is a trial version with the ability to buy the full version, which is why it’s listed as free to play with micro transaction.