Wow, that's really nice, thank you! Even though it's free to play, it's very nice! Usually, all the cool apps are paid, and I don't have enough money to buy them. I actually don't want to spend money on virtual software, I think that it's stupid. That's why I started to search how to get free credit. Fortunately, I have found this site
https://yourmoneygeek.com/free-google-play-credit/ with a lot of methods to get free credit on google play and codes legally. I was very happy, because it really works, and thanks to that site I was able to buy some games from google play. If you want, you can try it, it's a really working method