open_agb_firm is also a complete and better alternative to GBA VC injects (AGB_FIRM), allowing for:
- Launching GBA files directly from the SD card
- Writing save files directly to the SD card
- Automatic save type configuration using an included database
- User configuration, such as gamma settings
- Button...
Source: https://gbatemp.net/threads/open_agb_fi ... ad.570844/