romhack-apply.py: pure-Python IPS/BPS/UPS applier (BPS/UPS self-verify via embedded CRC32). romhack-fetch.py: data-driven driver that downloads, patches against owned base ROMs, validates (header/logo), and places worthwhile hacks into roms/<platform>/Hacks/ with 'Pokemon - <Hack> (Hack).<ext>' names. Supports --batch, --place, --retain (store source artifacts).