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Game Boy Advance emulation on Android has gained significant traction in 2026, with key applications like My Boy! priced at .99, John GBAC receiving an update on May 19, 2026, and RetroArch enhancing its mGBA core for free use. The search term "gba emulator android" sees around 8,100 monthly searches in the U.S., reflecting a resurgence in interest, particularly among former GBA owners now in their late 20s and 30s who prefer using their smartphones for gaming. All five apps—My Boy!, GBA.emu, John GBAC, RetroArch, and Lemuroid—can run the entire GBA library at full speed on devices from the last six years. The main differences lie in software quality, including save state management, cheat code reliability, controller mapping, and update frequency. My Boy! and GBA.emu utilize cores derived from VisualBoyAdvance (VBA), while John GBAC uses a custom core, and RetroArch and Lemuroid rely on the mGBA core. In terms of features, all apps support save states, but My Boy! offers multiple named slots with thumbnail previews, while RetroArch has a more complex system. Cheat code support is available across the board, with My Boy! and GBA.emu accepting GameShark and CodeBreaker formats, and RetroArch providing a built-in cheat database. My Boy! stands out for its link-cable emulation, allowing local multiplayer connections, whereas RetroArch's netplay is designed for online gaming. All apps support external controllers, but RetroArch excels in visual enhancements with its extensive shader options. The setup process for all five apps is similar and typically takes under ten minutes. GBA ROMs are small, ranging from 4MB to 32MB, making them easy to store on modern devices without significant battery drain. Common issues include save files not loading, audio problems, and cheat codes failing to apply, with solutions often involving file management and settings adjustments. Users can migrate save files between emulators by ensuring the correct file naming and directory structure. Pros and cons of each app include: - My Boy!: Ad-free, strong multiplayer support, but lower rating and closed-source. - GBA.emu: High rating and broad support, but outdated and lacks a free trial. - John GBAC: Free and recently updated, but lower rating and ad-supported. - RetroArch: Free and feature-rich, but complex setup. - Lemuroid: User-friendly and actively maintained, but limited shader options. All five apps are legally available on Google Play, as they do not distribute copyrighted ROM files. Users are advised to source their ROMs legally, ideally by dumping from their own physical cartridges. GBA emulation remains an accessible entry point into retro gaming on Android, especially compared to more demanding systems like the PS2 or GameCube.