https://www.cnet.com/news/htc-u12-plus-gets-into-blockchain-cat-games-ahead-of-htc-exodus-blockchain-phone/

The company announced on Tuesday that a game called CryptoKitties will come to HTC devices starting with the HTC U12 Plus. The game, which lets you collect and even "sire" one-of-a-kind virtual cats, is based on blockchain technology. 

CryptoKitties is based on blockchain principles.