It now works on cubox i4pro.
Did you build the package with all the bits? And edit the conf.d file? Crawx says this works, please report here
https://github.com/CrawX/PKGBUILDs/issues
Edit
I see there is a line in the start script, enumerating which firmware, you might want to find out if wandboard uses the same
a=`cat /sys/class/mmc_host/mmc0/mmc0\:0001/mmc0\:0001\:1/device`