New Jersey online casinos are incredibly competitive, each offering the best in gaming software, excellent promotions, and sites that are easy to use. What Games Can be Played on Casino Apps?.In this Casio apps article, we’ve taken various aspects into consideration, helping you find the best option for your needs. Below, we take a closer look at the best casino apps in New Jersey, which might just reveal the mobile benefits you’ve been looking for. While all casinos are accessible with mobile browsers, download an app allows you to login instantly, add more security, easier deposits, and more. Mobile casinos have become better, more efficient, and include the same collection of games as the desktop version.