Do it like this: https://gbatemp.net/threads/how-to-install-run-any-switch-firmware-unofficially-without-burning-any-fuses.507461/
(not for the faint of heart...)
Try setting the permissions for the Android-app; make sure it has permission to read from internal storage.
https://www.howtogeek.com/230683/how-to-manage-app-permissions-on-android-6.0/
Run MPlayer-CE on your homebrew capable Wii.
Check the hacking section on how to make your Wii able to run Homebrew. (Twilight Hack, Homebrew Channel etc.)
Linux Kernel is still at Kernel 2.6.27b (the same as with Bertjan's xWhiite v0.2)
Muzer is still working on his highly anticipated Wii Linux Distro and you can read more here:
http://hbcapps.com/miight/blog/