If you are looking for FXSound presets that are "portable"—meaning they are easy to move between devices or work with the portable version of the app—the key is knowing where the .fap (FxSound Preset) files live and how to import them. Popular FXSound Preset Styles
VOCAL_MALE_REVERB_CATHEDRAL.fxpDRUM_KICK_DISTORTION_SATURATION.fxp: Specific presets are popular on forums for devices like the to fix flat factory sound. Voice/Movie fx sound presets portable