Lemuroid changes cores depending on your device. Cheats that work on the "mGBA" core may fail on "VBA-M". Try switching the emulation profile in Lemuroid’s global settings > "Advanced" > "Core selection".
Play your game in Lemuroid and create an in-game save (not a save state). lemuroid cheats
Since Lemuroid lacks a native cheat engine, you must use external workarounds to modify your games: Lemuroid changes cores depending on your device
If you are making your own file, it must follow the standard "Libretro" format. Here is an example of what the inside of a .cht file looks like for a Game Boy Advance game: Play your game in Lemuroid and create an
Lemuroid cheats are codes or modifications that can be applied to games running on the Lemuroid emulator to alter their behavior, unlock hidden features, or provide an unfair advantage. These cheats can range from simple modifications, such as infinite lives or health, to more complex hacks, like unlocking secret levels or characters.