If your theme makes the screens look misaligned, use the Custom Layout option in settings to resize and drag the top and bottom screens. For precise control, users can edit the qt-config.ini file located in the config folder to manually set layout values.

Installing a theme typically requires a file manager (like ZArchiver) to move files into the emulator's internal directory.

Modern versions like Citra Enhanced include built-in support for system-wide dark modes and Material U coloring, which adapts the emulator's UI colors to match your Android wallpaper. System Requirements for Heavy Themes

While the official Citra project has ceased development, customizing the emulator on Android remains a popular way to modernize the handheld gaming experience. Whether you’re using the standard build or the feature-rich Citra MMJ , adding a custom theme can overhaul everything from your UI backgrounds to the placement of on-screen buttons. Where to Find Citra Android Theme Links

Download your preferred theme ZIP file.

Open the Citra app, go to Settings , and look for the Theme option. Your newly added theme should appear in the list for selection. Advanced Customization: Screen Layouts and Textures