Press the flag. Space or tap to get a random backdrop from the scratch library. It isn't actually a random backdrop generator because it doesn't actually generate the backdrop, it just gets a random one from the scratch library.
Thanks to Philip Salisbury (created by @purplepinkpineapple) for the sound. If you have absolutely no idea who Phillip Salisbury is then have a look at this studio! https://scratch.mit.edu/studios/28445394/
