After years of community requests and painstaking reverse engineering, .
A: Check the Internet Archive (Wayback Machine) for a cached version. Alternatively, search “EDF 2 Portable English patch GBAtemp” – the forum thread often has permanent mirrors.
A: No. The patch only works on the original PSP ISO. You cannot patch the official PS Vita downloadable version from the Japanese PSN.
So, soldier, grab your Lysander Z, load up that patched ISO, and deploy to fight the Ravagers.