Instructions
Open your VBA program by selecting the GBA file you would like to play. The VBA program will load this file automatically.
Select the cheats option in the program's menu bar.
Select the cheat list option in the cheats menu. Select the Gameshark option in the next menu to open the Gameshark window.
Enter the Gameshark code descriptions into the description text box and codes into the code text box. Save the changes and begin playing the game with the Gameshark codes activated.