Due to some people asking about pdf apps.9 l1 S9 I. V5 Q3 t" g# d* c
I use android apps " repligo reader "which has the highlight feature on playbook,but playbook has bugs ! H: [! k9 }) [& s+ Z6 T1 U/ p- _( X... " h, U# C$ k7 n. \also I use goodreader for ipad...