Does anyone have an idea how this trick was done? Is it an app? Where can I find it, or who teaches it?
Thanks
Here's where we've discussed mobile magic:
https://magigram.com/es/club/magic/aplicaciones-para-el-movil-para-hacer-efectos-256/
https://magigram.com/es/club/magic/magia-con-movil-6088/
https://magigram.com/es/club/magic/truco-de-magia-lista-movil-bloc-notas-5649/
Here's where we've discussed mobile magic:
https://magigram.com/es/club/magic/aplicaciones-para-el-movil-para-hacer-efectos-256/
https://magigram.com/es/club/magic/magia-con-movil-6088/
https://magigram.com/es/club/magic/truco-de-magia-lista-movil-bloc-notas-5649/