A display panel and a display device are disclosed. This adjustment of the model is done incrementally per user, over a large number of users, each with a unique history. The partial game outcome was previously provided to the player, who used a first device that is different than the gaming device. The luminous lifetime of the light emitting material is 1\u02dc100 ms. A merchant can also view data for activity occurring at its card terminals, possibly in real-time proximate to detection of the activity by the system server. The rebound surface or net is positioned and angled to receive balls or objects projected downwards from any side of the user and to return or propel those projected balls or objects back to the user.