Instructions
Visit one of many emulator sites on the Internet and download both the Visual Boy Advance and a Pokemon game you want to play.
Load the Visual Boy Advance. Click the "File" button on the toolbar and select "Open Gameboy."
Find the Pokemon game on your computer and click "Open."
Select "Options" on the Visual Boy Advance toolbar and move your cursor down to "Frame Skip." Increase the frame skip level from "2" to "9."
Play through your Pokemon game. The overall speed of your game will now be significantly increased, allowing you to complete battles and train your Pokemon much faster.