The app will simply rescan all the media on your device and refresh the libraries. This is helpful because sometimes after transferring images for example from your pc to your device, they don't appear immediately in the gallery. The app will refresh everything without waiting or restarting your device.
该应用程序将简单地重新扫描设备上的所有媒体并刷新库。这很有用,因为有时例如在将图像从PC传输到设备后,它们不会立即显示在图库中。该应用程序将刷新所有内容,而无需等待或重新启动设备。