[Zubersoft]

Version 1.4.2 has been released with a fix for this. There does seem to be a problem with some PDFs though where only blank pages are displayed after the files are merged - I have contacted the company that makes the PDF library so they are aware, and will include a fix for this as soon as possible. I doubt this will affect most users, as I only encountered this problem with one specific PDF, but I thought I should say something in case any users also encounter it.

Sorry that there is no SD card access yet - Google made it really, really awful to add the support in 5.0+.

Mike