Open your file explorer and navigate to your internal storage. Look for a folder named Citra EMU .
Beyond just "themes," you can fundamentally change how the game looks through layout modifications and HD texture packs. citra android themes link
To make games look high-definition, search for specific game packs (e.g., "Mario 3D Land HD textures"). In Citra, enable "Use Custom Textures" in graphics settings. This creates a load/textures folder where you can place extracted texture folders matching the game's unique Title ID. Open your file explorer and navigate to your
Installing a theme typically requires a file manager (like ZArchiver) to move files into the emulator's internal directory. search for specific game packs (e.g.