I found my lost (for around 10 years) copy of Pokemon Emerald. I booted up my old Ags-001 model gba and it works. Cartridges battery is dead though. And the unit itself
Pokemon Cosmic Emerald Ver. (Gameboy Advance GBA) Custom Fan made Hack – Retro Gamers US
Pokémon Emerald Version Brand New Nintendo Gameboy Advance GBA Game - Video Games | Facebook Marketplace | Facebook