@RustyCrab @wired @Nudhul I honestly doubt that you'd be able to make a live bootable SD card on a non-rooted Android. The operating system tries its hardest to make sure the user can't do anything of consequence beyond using the Google play store to install apps. My instincts to do this would be to root the phone, install a terminal emulator, install busybox, download the live boot image, insert the SD card and make sure it's unmounted, and dd the image onto the SD card's /dev/sdx or however it shows up in Android.