It is a widget supporting rotation and proximity sensor control for Poweramp music player. You need to have Poweramp Music player installed on your device to use this widget.
Poweramp Music player https://play.google.com/store/apps/details?id=com.maxmpz.audioplayer
这是后级音乐播放器一个部件支持旋转和接近传感器的控制。你需要有您的设备使用这个小部件上安装后级音乐播放器。
后级音乐播放器https://play.google.com/store/apps/details?id=com.maxmpz.audioplayer