Due to some people asking about pdf apps.- G, r2 _3 d* k1 M9 Z
I use android apps " repligo reader "which has the highlight feature on playbook,but playbook has bugs 2 P! H- [ D# \! E: H7 m) c! I* _
...# n4 e) n5 F: A( c. S% d- C( _
also I use goodreader for ipad...