Due to some people asking about pdf apps./ S+ l& R7 U1 Y6 M* D7 \; W4 B7 @& V
I use android apps " repligo reader "which has the highlight feature on playbook,but playbook has bugs 3 N" o" e( \. A: r, `5 j...4 j, R5 R- u( l5 z& [' @
also I use goodreader for ipad...