Replays allow room hosts to save live sessions as recordings. These recordings will be available under the bookmarks tab of the host's profile page. Tapping on a recording will open a media player with standard playback controls.
Apart from this, Clubhouse made it easier to access Clips sharing via a new button. However, it still says that Clips are not yet available on Android. In fact, clips are 30 seconds audio chunks that can be easily shared with others by anyone in the room.
Source: Notion blog