Nostalgia.GBA Pro is a Game Boy Advance emulator allowing users to play classic GBA games on modern devices with features like save states and customizable controls.

Download Nostalgia.GBA Pro from the Google Play Store or Apple App Store then follow installation prompts to set it up on your device.

Upon first launch locate your GBA ROM files on your device using the app's file browser to start playing games immediately.

Key features include customizable controls save states with screenshots rewinding Wi-Fi controller mode and support for external Bluetooth gamepads.

Customize your experience by adjusting virtual controller layouts enabling turbo buttons or configuring external Bluetooth controllers in settings.

Save favorite games directly within the app using one of eight manual save slots or rely on autosave functionality for convenience.

Share gameplay screenshots via email social media or messaging apps directly through the app's sharing options.

Access detailed information about games and explore more content by browsing saved files or using the app's built-in search tools.

The app requires storage access to locate ROM files manage permissions in your device settings under app permissions.

Check for updates regularly through the Google Play Store or Apple App Store to ensure optimal performance and access new features.