Public groups allow people to connect around common interests or gather for specific events, etc.
On the “Chat” page, click the “+” icon on the top right corner. Then click on the option of “Public Groups.” That will take you to the “Public Groups” page.
To search for specific groups, tap on the search icon in the top right corner. Then type a keyword in the search bar to see related groups.
When you find groups you want to participate in, you can click on “Join” to join those groups.