If you prefer to keep the original map layouts identical but want the Pokémon and menus to look modern, look for standalone asset patches.
: A total visual and musical overhaul of FireRed. It offers two distinct styles— GBC style or DS style —for battle sprites and fonts. pokemon fire red graphics patch
A clean, unedited file (usually a .gba file). The graphics patch file (ending in .ips , .bps , or .ups ). If you prefer to keep the original map