To execute complex Desperation Moves (like K9999’s "Parasite Arm" in KoF 2002 ), players often use MAME4droid's input macro plugins . This allows mapping multi-button combinations (A+B+C+D) to a single on-screen button (like 'F' or 'E').
To play Kof on Mame4droid 0.139u1, you'll need to download the Kof Rom. There are several sources online where you can find Kof Roms, but be aware that downloading Roms from unauthorized sources may be against the law in your country. Here are a few popular sources for Kof Roms: Mame4droid 0.139u1 Roms Kof