You’ll need to allow "Install from Unknown Sources."
Unlike traditional private servers for MMORPGs (like World of Warcraft), mobile MOBA/RTS games like Force Arena require a complex architecture involving a Game Engine and asset management. Star Wars Force Arena Private Server
When the official servers shut down in March 2019, millions of players were left devastated. For years, the game was unplayable. However, dedicated community developers and reverse-engineering enthusiasts have been working tirelessly behind the scenes. Thanks to project revival efforts and private servers, playing Star Wars: Force Arena today is becoming a reality. You’ll need to allow "Install from Unknown Sources