Нашёл 7 млн ответов for 'Neutron Music Player'.
https://neutroncode.com/
https://neutroncode.com/downloads
https://play.google.com/store/apps/details?id=com.neutroncode.mp&hl=en_US&gl=US
https://www.happymod.com/neutron-music-player-mod/com.neutroncode.mp/
https://www.happymod.com/neutron-music-player-mod/com.neutroncode.mp/original.html
https://apk4all.com/android/apps/neutron-music-player-paid/
https://top-androids.com/592-neutron-music-player.html
https://pcmac.download/app/766858884/neutron-music-player
https://www.youtube.com/playlist?list=PLLi30SBRO-NQ0u2Zyn_um6RB-bbXTjtrJ