I have just tested AP tethering using a Samsung Galaxy S3 running unofficial CyanogenMod 12.1 (Android 5.1.1) and HiControl 5 / MyBOX (http://www.mediafire.com/download/l2cvt29f6pvcwd0/HandsetForMultiScreen2705.apk).
Everything worked except for screen mirroring, which I suspect is a problem with the unofficial Android 5.1.1 loaded onto my S3. Screen mirroring never works on this phone.
So, the remote control part of HiControl worked perfectly, launching apps works.
I'm quite confident that if using a phone where mirroring works as normal then you'd get full HiControl functionality.
Of course, a problem would be that you'd be unable to access network files on the Q5/Q10 because the box would be connected to your phone wi-fi, but if you use locally attached storage this wouldn't be a problem.