, several high-quality fan-made projects—known as "demakes"—allow players to experience the Sinnoh region on GBA hardware or emulators on Android. Popular Sinnoh Demakes for GBA
These are fan-made projects that recreate the Sinnoh region story and mechanics within a GBA engine (usually based on Pokémon FireRed Pokémon Sharp Diamond and Smooth Pearl
You will need the game file (usually ending in .gba).