Many people were asking for this so here you go :
1st : Go to @cafesoundz page and on one of the videos , they have a qr code.
2nd : With the qr code, you will go on to video star and make a video and go to multilayer.
3rd : When you go to multilayer , press 1 and put your video in, when you done that go look at the top of your screen and there will be a qr button.
4th : When you press your qr button ; put the picture of the qr in and then if its to long but the fit button but if its so short make the video longer and then if its perfect and theres nothing there to press your good.
5th : After all of those steps save your vid and then your done!!!!. <3