3VIDEO COMBINE+AUDIO

TEST for myself。Connect 3 videos and add audio。It will be saved at 30 fps。Please note that the quality will deteriorate for videos exceeding 30 fps。TEST
All the loading points must be filled、The blank spaces will be filled with the first file。
２～Please use the appropriate app up to 6。
The audio files are initially filled with a dummy silent file。After deleting, please load your own prepared audio files。