Stables view shows your current horses and gives you some information about their current status.
You will start the game with one stable and can expand up to 6 by purchasing expansions with game cash. A further 2 stables can be purchased using Tokens.
Use the "Expand Stables" button at the bottom of the screen to find out how much your next stable expansion will cost. You can then confirm the purchase if you want to proceed with the expansion.
Use the side arrows to navigate through your stables. These arrows will only be visible if you have purchased more than two stables.