Due to some people asking about pdf apps." H4 Y9 w4 F, n- z/ j6 H, D
I use android apps " repligo reader "which has the highlight feature on playbook,but playbook has bugs ( U( X- G9 x$ ^, _0 Q2 e4 u
... ) `' ^6 r' M7 M$ b, b6 Zalso I use goodreader for ipad...