Before I patched IOS80 it did the copying thing and loaded it to system memory first, and it wouldn't show up in usbloader until after you copied it to system memory. Now it just says 'launching', it doesn't do the copying part. I think it just loads them from SD direct.They should launch like any titles purchased and downloaded from the Wii Shop: either from the menu or the SD menu. Launching from SD is slow because they have to be copied to NAND in a temporary area and unpacked first. The menu can't run them directly from the content.bin file.
Before I patched IOS80 it did the copying thing and loaded it to system memory first, and it wouldn't show up in usbloader until after you copied it to system memory. Now it just says 'launching', it doesn't do the copying part. I think it just loads them from SD direct.