Let’s be honest: touch controls for KOF on Android 10 are playable for Desperation Moves, but not for high-level hops. Map your buttons:

Pro tip for Android 10: Turn on Developer Options → Disable HW Overlays. Reduces input lag by ~15ms.

A script that:

Before downloading, you must understand the enemy: Android 10’s storage changes.

The Verdict: You cannot just install any old "KOF Mugen 2018.apk" on Android 10. You need a build specifically recompiled for SDK 29 (Android 10) or a wrapper method.