com.bero.sdrescan
I have for my new G1 / HTC Dream wrote a small tool that retrofitted a missing feature of Android, and the manual re-reading of the (micro) SD card for new media files such as music, video and image files so that they according to an ADB push operation, a afile transfer, a Bluetooth file transfer, etc. without reboot or unmount / remount the (micro) SD card will appear in the Android Gallery. Here is the Download Market QR code for the bar code scanner or link for the Android:
