1. Fix the bug that the app can't load system musics.
2. Optimizing the UI to improve the user experience.
Features:
- 12 loop pads with a variety of sound effects
- 2 virtual turntables
- Stable sync: one-press, and the 2 tracks never go out of phase
- Free pro audio FX: Echo, Flanger, Roll, filter
- 2 turntables, full-fledged 3-band EQ mixer
- Play 2 tracks simultaneously and cross-fade between them
