you need to get a2sd not app2sd.
you can get a2sd working on your IQ by either:
1. Coredump-EE' method:
https://www.mobileread.com/forums/sho...oredump+repack
in particular:
https://www.mobileread.com/forums/sho...&postcount=125
2. unofficial a2sd flash:
https://www.mobileread.com/forums/sho...nofficial+a2sd
You may have to run it twice if you have Coredump-EE's repack
3. As of this morning and thanks to Icewyng, you can also use this:
https://www.mobileread.com/forums/sho...d.php?t=127092
I have not tried this method yet so can't say how well it works.
Cheers