#1 – Feebas Feebas is one of the rarest Pokemon of all. But, do not fear the law when it comes to this. Even AP-Protected ROMS (anti-piracy) that you bypass using a ROM hack on would not be illegal, as you legally own said ROM. Afterwards, it will ask you to select a ROM.Select the IPS file that you downloaded.Double click on Lunar IPS.exe, click “Apply Patch”.Download the IPS file of the hack you want to play, and unzip it.OpenEmu is a fantastic application, and you will surely need this. All you need is the ROM file and IPS patcher such as MultiPatch. If you are a fan of Pokemon ROM hacks, you surely can play your favorite hack on OpenEmu without problems. Step 3: Browse and select your GBA ROM file you want to get patched.Step 2: Browse and select your patch file, this is the.