Hi Paww,
this has been touched on in this thread:
https://www.mobileread.com/forums/sho...d.php?t=107626
(- it is a quite useful thread.)
My understanding is that it is at least in part an issue of PB using V2.0 Android, and owners of the IQ are waiting for a later version to be released by PB. Said release apparently due soon.
Cheers,