If you want to move beyond simple editors and build a full-scale fan game that runs on Android, you will likely need to use a PC-based engine that supports Android exporting: BattleTale:Boss Battles&Maker - Apps on Google Play
Moving a precise, frame-perfect combat system from a keyboard to a touchscreen is no small feat. Android versions of these battle makers must solve several technical hurdles: Input Precision undertale battle maker android
