Abstract The War of Eustrath (WoE) is a turn-based strategy RPG originally developed for Windows and ported to Android during the platform's early expansion. Due to the evolution of the Android Operating System (OS) and changes in hardware architecture, the original application package (APK) suffers from critical compatibility issues on modern devices. This paper outlines the common failure points of the legacy APK—including architecture incompatibility, storage permission changes, and asset loading errors—and proposes a methodology for "fixing" or patching the application to ensure playability on contemporary hardware. 1. Introduction Originally released by iQubi Inc., The War of Eustrath was a hallmark of the early Android gaming ecosystem, offering deep tactical gameplay reminiscent of the Fire Emblem series. However, the game was developed during the Android 2.x (Froyo/Gingerbread) and early 4.x (Ice Cream Sandwich) eras. Eros Exotica