Where do I see the location and start time of a game?

Open the game itself in the app: the game page shows the start date and time and the venue card with the venue name, address and map. If you joined, the game is in your upcoming games; if not, find it in the games feed.

Playbox has no separate meeting or gathering time, only the game start time. If you need to know when to arrive or where exactly to meet, ask the organizer in the game chat.