Choose a guide
Install MyBoy
Setting up a new Android device? Follow the download and installation steps, then open the app with your own GBA game file.
Read the Android installation guide
Play Pokémon Emerald
Learn how to load your Emerald file, arrange the on-screen controls, and use game saves alongside save states.
Read the Pokémon Emerald guide
Find and back up your saves
Understand where saves are stored and what to check before replacing an installation or moving to another phone.
Read the MyBoy save-file guide
Before you make a change
Back up your progress before updating, reinstalling, or switching devices. Game files are supplied separately. For supported formats and common questions, visit the FAQ.