DouZero: Mastering DouDizhu with Self-Play Deep Reinforcement Learning is an application of reinforcement learning in DouDizhu game (the most popular poker game in China)
DouDizhu demo. https://douzero.org/ This is a nice demo where users can play against RL agents.
RLCard is a toolkit (platform) for reinforcement learning in card games. It supports multiple card environments, where users can train agents on it.
I have added three items: