It worked for me. Found a bitdo bt thread on reddit and followed it. Included below:
"Bluetooth Auto-Connect does the trick. Had big lag issues until I sideloaded the app and select "connect"
That should take care of your lag issues. You will have to open the app and select connect every time...
I guess this is off the WIi U menu, not the vWii mode...
I do have a HBL icon on my start screen (I think that's accomplished by Brazilian method/vWii workaround? Though I may be mistaken, I'm still learning how this all plays together...)
Maybe I should I start a new thread? When I hold A on...
I've recently had this same problem occur. 5.5.3 Wii U with Haxi installed in SysNAND (on top of purchased app.)
It's the same SD card I've been using for the last month and now all of a sudden the homebrew launcher doesn't show any apps. I've tried to format (FAT32) and try another card but...